Eskandari, Bahareh, et al. “Effect of Nitrogen Rate on Mucilage Content, Yield and Yield Components of Borage (Borago Officinalis)”. International Journal of Bio-Resource and Stress Management, vol. 2, no. Dec, 4, Apr. 2023, pp. 390-3, https://www.ojs.pphouse.org/index.php/IJBSM/article/view/182.