MaulanaO. S., SurtikantiH. K., and AmprastoA. “Development of E-Module Based on Cirebon Local Environment in Fostering Eco-Literacy of Student”. International Conference on Elementary Education, Vol. 2, no. 1, Mar. 2020, pp. 338-52, http://proceedings2.upi.edu/index.php/icee/article/view/635.