Unluturk, Mehmet Suleyman, and Kaan Kurtel. “Quantifying Productivity of Individual Software Programmers: Practical Approach”. Computing and Informatics 34, no. 4 (February 29, 2016): 959–972. Accessed November 7, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/969.