Scale and scope economies in small household rice farming in Vietnam
Viet-Ngu HOANG, Trung Thanh NGUYEN, Clevo WILSON, Thong Quoc HO, Uttam KHANAL
Journal of Integrative Agriculture . 2021, (12): 3339 -3351 .  DOI: 10.1016/S2095-3119(21)63612-2