na INLIS000000000025270 Ind 0010-1218007108 Buku petunjuk bagi tjalon mahasiswa INSTITUT PERTANIAN BOGOR IPB Bogor IPB 1971 viii, 52 p. ; 30 cm. viii, 52 p. ; 30 cm. 378.2INSb 378.2 STUDENTS AGRICULTURAL COLLEGES WEST JAVA 679/71