Gad, Nadia, Abd El-Moez M-R, and Hala Kandil. “Effect of Cobalt Supplement on Rosemary (rosmarinus Officinals L) A- Herb Yield, Essential Oil Content and Its Composition”. International Journal of Basic and Applied Sciences 3, no. 4 (December 2, 2014): 527–531. Accessed November 25, 2024. https://sciencepubco.com/index.php/ijbas/article/view/3712.