Purwasih, Rati, Novyandra Ilham Bahtera, and Yulia. “An Estimation of Technical Efficiency of Red Chili Pepper’s Growers in Central Bangka”. Indonesian Journal of Agricultural Research 3, no. 1 (April 25, 2020): 31 - 39. Accessed May 7, 2024. https://talenta.usu.ac.id/InJAR/article/view/3822.