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, vol. 2, no. 4, Dec. 2006, https://doi.org/10.25015/penyuluhan.v2i4.2114.