Brown planthopper [Nilaparvata lugens Stal] : Proceedings of the Symposium on Brown Planthopper Conducted During the Third Inter-Congress of the Pacific Science Association Bali-Indonesia 22-23 July 1977 /

Brown planthopper [Nilaparvata lugens Stal] : Proceedings of the Symposium on Brown Planthopper Conducted During the Third Inter-Congress of the Pacific Science Association Bali-Indonesia 22-23 July 1977 / Proceedings of the Symposium on Brown Planthopper Conducted During the Third Inter-Congress of the Pacific Science Association Bali-Indonesia 22-23 July 1977 Sjamsoe'oed Sadjad, Soenartono Adisoemarto, Mien A,. Rifai text Jakarta : Lembaga Ilmu Pengetahuan Indonesia, 1978 NILAPARVATA LUGENS, SYMPOSIUM, BALI, INDONESIA, 1977, PROSIDING PERLINDUNGAN TANAMAN