Kahar, Abdul. “PENGARUH ASSESMEN PORTOFOLIO DAN USIA TERHADAP PENINGKATAN KEMAMPUAN KEAKSARAAN BAGI WARGA BELAJAR KEAKSARAAN FUNGSIONAL”. JIV-Jurnal Ilmiah Visi 5, no. 2 (December 31, 2010): 143 - 166. Accessed April 21, 2025. http://103.8.12.212:33180/unj/index.php/jiv/article/view/7593.