Yatimah, Durotul. 2012. “PENERAPAN METODE PROBLEM POSSING PADA PROGRAM KEAKSARAAN USAHA MANDIRI DI PKBM”. JIV-Jurnal Ilmiah Visi 7 (2), 130 -37. http://103.8.12.212:33180/unj/index.php/jiv/article/view/3667.