Werdhany, W.I. and Gunawan, G. 2012. TEKNIK PENGEMBANGAN KAWASAN RUMAH PANGAN LESTARI DI DAERAH ISTIMEWA YOGYAKARTA (TECHNICAL DEVELOPMENT OF SUSTAINABLE FOOD HOUSEHOLD AREA IN DAERAH ISTIMEWA YOGYAKARTA). Jurnal Ilmu-Ilmu Pertanian. 16, 2 (Dec. 2012), 76–83.