TY - JOUR AU - Panggabean, Aman Sentosa PY - 2016 TI - Prosiding SEMIRATA 2014 JF - REPOSITORY KIMIA; Dr. Aman Sentosa Panggabean, M.Si KW - N2 - - UR - http://jurnal.kimia.fmipa.unmul.ac.id/index.php/repo/article/view/378