na INLIS000000000008303 Ind 0010-1118008303 Progress report cropping systems M.K. 1976 dan M.P. 1976/1977 LEMBAGA PUSAT PENELITIAN PERTANIAN Lembaga Pusat Penelitian Pertanian Lembaga Pusat Penelitian Pertanian Malang Lembaga Pusat Penelitian Pertanian, Perwakilan Jawa Timur 1977 39 p. : ill. ; 28 cm. 39 p. : ill. ; 28 cm. 633.18LEMp 633.18 RICE CROPPING SYSTEMS 796/D/78