doi:10.30723/ijp.v13i27.261

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Publication Date

Mon Feb 04 2019

Journal Name

Iraqi Journal Of Physics

Volume

13

Issue Number

27

DOI

10.30723/ijp.v13i27.261

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Temperatture esttiimattiion off EXDRA and SSUMI dwarff Nova systtems from spectroscopic data

Dwarf Nova

Fourier Model

transform and mathematical modeling.

Arshed Ali

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The seasonal behavior of the light curve for selected star SS UMI and EXDRA during outburst cycle is studied. This behavior describes maximum temperature of outburst in dwarf nova. The raw data has been mathematically modeled by fitting Gaussian function based on the full width of the half maximum and the maximum value of the Gaussian. The results of this modeling describe the value of temperature of the dwarf novae star system leading to identify the type of elements that each dwarf nova consisted of.

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Publication Date

Sat Oct 01 2016

Journal Name

Journal Of Theoretical And Applied Information Technology

Factors affecting global virtual teams’ performance in software projects

Today the trend is to perform software development work via distributed geographical area among team

individual or even as an organization. However

due to the global market and international presence of many companies

there is a need to implement a global virtual teams. The global virtual team members are gradually engaged in globalized business environments across space

time and organizational boundaries via information and communication technologies. A global virtual team relies on communication

collaboration

and information exchange are the most important criteria in global virtual teams’ operations. The purpose of this paper is to answer two research questions. The first research question is to identify the factors affecting global virtual teams’ performance. A systematic literature review was conducted to answer the first research question. The second research question is on what the rank of the factor affecting the global virtual teams’ performance according to their level of effect on global virtual teams’ performance. Online survey was conducted within 103 developers and IT managers from eight IT companies to answer the second research question. The Statistical Package for Social Science (SPSS 22) was used to analyze the collected data. In this study

we investigated factors that affect global virtual teams’ performance

factors considered include cultural differences

language problems

time-zone differences

team size

technical problems

lack of trust

lack of sufficient training

and ICT problems. Also the findings indicated that lack of sufficient training is the highest level of effect on global virtual teams’ performance. On the other hand

Ali Yahya Gheni

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(23)

Publication Date

Fri Mar 01 2013

Journal Name

Journal Of Economics And Administrative Sciences

Improving the Effectiveness of Internal Control System In Accordance with COSO Model

American Institute of Certified Pubilc Accountants- Institute of Internal Auditors- The Internal Control Standards Committee of International Organization of Supreme Audit Institutions- International Standard on Auditing- Organization for Economic Corporation and Development- Statement on Auditing Standards- Securities & Exchange Commission- Sarbance_Oxley- United States General Accunting Office

علي حسين

ايمان مؤيد

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The research aims to improve the effectiveness of internal control system according to a model COSO, by identifying the availability of system components according to the model and then improve the effectiveness of each component by focusing on areas for improvement in each component, as it was addressed to a model COSO and then Maamth with the environment, the current Iraqi by introducing some improvements on the form of some mechanisms of corporate governance of the Council of Directors, and senior management, the Audit Committee, Committee appointments, especially that supplies application available in the laws and legislation, the current Iraqi, taking into consideration to make some

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