Utami, Hamidah Nayati, and Sumardjo . “FACTORS RELATED TO THE LEATHER CRAFTSMEN’S SELF-SUFFICIENCY IN THE DISTRICTS OF SIDOARDJO AND MAGETAN, EAST JAVA”. Jurnal Penyuluhan 2, no. 4 (December 1, 2006). Accessed December 27, 2025. https://journal.ipb.ac.id/jupe/article/view/2114.