Khan, Arifa, et al. “In Vitro Propagation of Potato Cultivar under Abiotic Stress: Potato Propagation under Abiotic Stress”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, vol. 57, no. 2, June 2020, pp. 75-82, http://ppaspk.org/index.php/PPAS-B/article/view/41.