Pencarian berdasarkan :
Pencarian terakhir:
Lit. Basis 20(1970)3: 75-79; Basis 20(1970)4: 115-118Basis 20(1970)5: 155-158Basis 20(1970)8: 244-248
Lih. Basis 19(1969)2 hal.58-63 19(1969)3 hal.80-93