P. Satachon, S. Keawmoon, P. Rengsungnoen, S. Thummajitsakul, and K. Silprasit, “Source and Health Risk Assessment of Some Heavy Metals in Non-Certified Organic Rice Farming at Nakhon Nayok Province, Thailand”, App. Envi. Res., vol. 41, no. 3, Dec. 2019.