Rola, Agnes C. Pesticides, rice productivity and farmers health : an economic assessment / Agnes C. Rola and Prabhu L. Pingali. - Manila : IRRI, 1993. - 100 pages : illustrations ; 23 cm Bibliography : p. 91 - 100. ISBN: 971220037x Subjects--Topical Terms: PesticidesPesticides--Policy. LC Class. No.: SB951 / R64 1993