Khondaker, M E A, and M U Baba. “An Empirical Study of Middle-Income Farmers on Millet Production in Kano South Nigeria: A Stochastic Frontier Analysis Approach”. International Journal of Statistical Sciences 23, no. 2 (November 30, 2023): 39–46. Accessed August 31, 2024. https://banglajol.info/index.php/ijss/article/view/70108.