Purwadi, Didik. “PERUMUSAN STRATEGI PEMERINTAH DAERAH DALAM PENGEMBANGAN UMBI-UMBIAN LOKAL DI YOGYAKARTA [Design of Regional Government Strategy in Development the Local Tube Crops in Yogyakarta]”. Jurnal Teknologi & Industri Hasil Pertanian 23, no. 2 (September 18, 2018): 75–81. Accessed October 19, 2025. http://jurnal.fp.unila.ac.id/index.php/JTHP/article/view/1627.