Pereira, Fernanda de Oliveira, Renata dos Santos Pereira, Lana de Souza Rosa, and Anderson Junger Teodoro. 2016. “Organic and Conventional Vegetables: Comparison of the Physical and Chemical Characteristics and Antioxidant Activity”. African Journal of Biotechnology 15 (33):1746-54. https://doi.org/10.5897/ajb2016.15386.