00561nam a22001691a 4500 6808 OSt 20260204212105.0 060724s1994||||cr ||||||b||||||||||spa|| 338.63 W898s Workshop in the aplication of social sciences in production system research: seeking methodology Socia sciencies and agricultural research: a systems approach: Proceedings / Manuel E Ruíz Costa Rica: IICA 142 p 1.Sistemas de Producción 2.Ciencias SocialesÌ ddc BK 6808 6808 0 0 ddc 0 0 BU 2019-09-09 0 338.63 W898S 006242 2019-09-09 00:00:00 2019-09-09 BK