“High Performance Liquid Chromatography (HPLC) Determination of Nitrogenous Bases Cytosine, Adenine and Guanine by Derivatization With 2- Hydroxynaphthaldehyde”. Sindh University Research Journal - SURJ (Science Series), vol. 52, no. 2, June 2020, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/1994.