GUL, A., Tariq Yousafzai, and N. A. Neelam. “Upgrading Human Resources of Manufacturing Sector of Pakistan to Sustainable Green Human Resources”. CITY UNIVERSITY RESEARCH JOURNAL, vol. 13, no. 2, Dec. 2023, pp. 292-05, http://cusitjournals.com/index.php/CURJ/article/view/810.