Biro Pusat Statistik. (1992.). Survei pertanian luas dan intensitas serangan jasad pengganggu padi dan palawija di Jawa 1991 = Agricultural survey Area and intensity of pest, insect and calamity of paddy and secondary crops in Java 1991. Jakarta :: Biro Pusat Statistik,.
Biro Pusat Statistik. Survei pertanian luas dan intensitas serangan jasad pengganggu padi dan palawija di Jawa 1991 = Agricultural survey Area and intensity of pest, insect and calamity of paddy and secondary crops in Java 1991. Jakarta :: Biro Pusat Statistik,, 1992.
Biro Pusat Statistik. Survei pertanian luas dan intensitas serangan jasad pengganggu padi dan palawija di Jawa 1991 = Agricultural survey Area and intensity of pest, insect and calamity of paddy and secondary crops in Java 1991. Jakarta :: Biro Pusat Statistik,, 1992..