Dastagir, Ghulam, et al. “Microscopic Evaluation, Ethnobotanical and Phytochemical Profiling of a Traditional Drug Viola Odorata L. From Pakistan”. Ethnobotany Research and Applications, vol. 25, Jan. 2023, pp. 1-24, https://ethnobotanyjournal.org/index.php/era/article/view/4317.