Yussuf, N. M., M. A. Saeed, H. Wagiran, and I. Hossain. 2021. “Study on Radionuclides from Soil to Onion at Johor and Perak, Malaysia”. Physical Science International Journal 25 (5), 30-36. https://doi.org/10.9734/psij/2021/v25i530257.