Hardinto, P, L Rokhmani, A A Wafa, and R Megasari. “The Role of Economics Teacher Forum in Improving Economics Teacher Performance in the City of Mojokerto”. KnE Social Sciences 3, no. 3 (April 23, 2018): 183–194. Accessed February 24, 2020. https://www.knepublishing.com/index.php/KnE-Social/article/view/1883.