“Assessment of Heavy Metal Concentrations in Tomatoes (Lycopersicum Esculentum) Cultivated in Horticultural Farms of Nakuru County, Kenya”. International Journal of Education, Science and Social Sciences (IJESSS) 1, no. 2 (November 12, 2022). Accessed October 8, 2026. https://ijesssjournal.com/index.php/ijesss/article/view/46.