| Affiliation: | Social Sciences Division, International Rice Research Institute (IRRI), Los Banos, Laguna, Philippines.;International Research Center for Agricultural Sciences (JIRCAS), 1-1, Ohwashi, Tsukuba, Ibaraki 305-8686, Japan.;Zhongnan University of Economics and Law, #1 South Nanhu Road, Wuhan City, Hubei Province, P.R. China 430073.;Khon Kaen University, 123 Mittraparp Highway, Khon Kaen, Thailand 40002.;Department of Economics, Ranchi University, Ranchi, India.;Orissa University of Agriculture and Technology, Bhubaneswar-751003, Orissa, India.;Indira Gandhi Agricultural University, Raipur, India. |
