“Effect of Plant Preservative Mixture Ppmtm on the Shoot Regeneration of Watercress (Nasturtium Officinale)”. Science Journal of University of Zakho 5, no. 2 (June 30, 2017): 187–192. Accessed November 7, 2025. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/493.