TY - BOOK AU - Wijesinghe, Rasika AU - Wijesinghe, I.P.P.M. AU - Perera, A.M.S. TI - HARTI : Socio economic factors affecting the productivity of green gram SN - 9789556121797 PY - 2015/// CY - Colombo 07 PB - HARTI KW - GREEN GRAM PRODUCTION-Sri Lanka KW - HARTI ER -