共 49 条
[11]
Asayehegn K., 2012, Agricultural Science Research Journal, V2, P20
[12]
Awulachew S., 2010, Irrigation potential in Ethiopia: Constraints and opportunities for enhancing the system
[13]
Babbie E.R., 1990, SURV RES METHODS-GER, VSecond
[14]
Bekele J, 2014, INT J IRRIGATION WAT
[15]
Beyan A., 2014, Asian Journal of Agriculture and Rural Development, V4, P257
[17]
Central Statistics Authority (CSA), 2014, POP STAB REP ETH
[18]
Chant S., 1997, WOMEN HEADED HOUSEHO
[19]
Creative Research Systems (CRS), 2012, SAMPL SIZ FORM OUR S
[20]
CSA, 2017, LSMS INT SURV AGR ET