Saeed Ahmed Lakho, Mansoor Ahmed, Muhammad Waseem Akhtar, Madan Lal, Ubed-Ur-Rahman Mughal, Umair Aftab, Zafar Hussain Ibupoto, and Saba Naz, trans. “Synthesis and Characterization of Nickel Oxide Nanostructures for Electrochemical Analysis of Methotrexate”. Pakistan Journal of Analytical & Environmental Chemistry 22, no. 2 (December 31, 2021): 273–279. Accessed November 5, 2025. https://pjaec.pk/index.php/pjaec/article/view/103.