Kamal, Zakiyul, Librina Tria Putri, dan Mustafa Kamal. “Effect of Skills and Work Safety on the Craftsman Productivity In The Sentra Pandai Besi Teratak Rumbio Jaya”. Jurnal Riset Manajemen Indonesia 4, no. 1 (Januari 31, 2022): 72–79. Diakses Oktober 26, 2025. https://jurnal.pascabangkinang.ac.id/index.php/jrmi/article/view/94.