Lawanrisha Lyngdoh and Ravinder Kaur Dhaliwal. “Program Evaluation and Review Technique (PERT) in Agriculture”. Indian Journal of Extension Education 54, no. 4 (October 11, 2023): 54–58. Accessed October 24, 2025. https://epubs.icar.org.in/index.php/IJEE/article/view/143553.