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Returns to scale in agriculture : a study at farm level in Nalgonda district of Telangana region
Upender, Mulakala, (2003)
What types of economics of scale exist in the manufacturing economy of India? : a Cobb-Douglas production function approach for four decades
Kumar, Sanjay, (2019)
Efficiency, factor intensity and return to scale in Indian automobile workshops
Panda, Debadutta Kumar, (2013)