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), [S. l.], v. 1, n. 2, 2022. Disponível em: https://ijesssjournal.com/index.php/ijesss/article/view/46. Acesso em: 9 oct. 2026.