Efektivitas peraturan penggunaan pestisida di lapangan: studi kasus petani kubis di Kabupaten Bandung dan Garut, Propinsi Jawa Barat = Effectiveness of regulation on the use of pesticides at field: a case study of cabbage farmers in the districts of Bandung and Garut, West Java Province - Lubis, Eliya Nova, author (2001)