Production of other crops in paddy fields in Yala 1972: a case study based on record keeping farmers in two special projects (Elahera and Dewahuwa)

Ranatunga, A.S.Izumi, K.2014-02-122014-02-121974-02Research Report, P, 1-38https://dl-harti.nsf.gov.lk/handle/1/1349enProduction of other crops in paddy fields in Yala 1972: a case study based on record keeping farmers in two special projects (Elahera and Dewahuwa)Book