Jaafar Umar. 2018. “A Study on Proline and Glycine Betaine Contents As Salinity and Drought Tolerant Indicators in Capsicum Annuum L. (Cultivar: Roma)”. Global Journal of Science Frontier Research 18 (D7):29-32. https://journalofscience.org/index.php/GJSFR/article/view/2396.