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ASM Golam Hafeez, Md Abdullah A Kafi, Md Rezaul Karim, Shamim Ahamed, Mehdee Mohay Men Ur Rahman. Technical efficiency of early variety country bean cultivation in selected areas of Bangladesh: a stochastic frontier approach. Res. Agric. Livest. Fish. [Internet]. 2023 Sep. 18 [cited 2024 Dec. 27];10(2):155-64. Available from: https://banglajol.info/index.php/RALF/article/view/68770