Samto, Samto. “PERENCANAAN DIKLAT BAGI PTK-PNF”. Jurnal Ilmiah Visi 2, no. 1 (June 29, 2007): 32 - 41. Accessed July 10, 2020. http://journal.unj.ac.id/unj/index.php/jiv/article/view/7481.