P. Nugroho, Andhika, Niken S.N. Handayani, Sari Darmasiwi, Wildan G. Zulfikar, and Ahmad A. Rizki. 2020. “Biochemical Responses and DNA Damage of Chlorella Pyrenoidosa H. Chick Upon Exposure to Combined Cu and Cd at Environmentally Realistic Levels: DOI: 10.32526/Ennrj.18.3.2020.28”. Environment and Natural Resources Journal 18 (3). Nakhon Pathom, Thailand:290-303. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/240968.