PATRAMURTI, C., MARTONO, S., SUGIYANTO, S., & NURROCHMAD, A. (2014). Optimized Method of High Performance Liquid Chromatography using Octyl Silica Fully Endcapped Residual Silanol Column on Separation of Cotinine and 3-Hydroxycotinine in Urine Sample. JURNAL ILMU KEFARMASIAN INDONESIA, 12(1), 110-116. Retrieved from http://jifi.farmasi.univpancasila.ac.id/index.php/jifi/article/view/195