Bajracharya, Mahima, and Mahesh Sapkota. “Technical Efficiency of Certified Maize Seed in Palpa District, Nepal: A Stochastic Frontier Production Approach”. Journal of Maize Research and Development 3, no. 1 (January 5, 2018): 45–52. Accessed February 27, 2024. https://nepjol.info/index.php/JMRD/article/view/18920.