Tripathy, P., et al. “Ffect of Sources and Levels of Sulphur on Growth, Yield and Bulb Quality in Onion (Allium Cepa L.)”. International Journal of Bio-Resource and Stress Management, vol. 4, no. Dec, 4, May 2023, pp. 641-4, https://ojs.pphouse.org/index.php/IJBSM/article/view/454.