«Assessment of Heavy Metal Concentration in Ipomoea Batatas and Spinach Consumed in Zanzibar by Energy Dispersive X-Ray Fluorescence (EDXRF)». Brazilian Journal of Radiation Sciences (BJRS) 9, no. 2 (junio 25, 2021). Accedido julio 20, 2025. https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/1656.