Umar, & Yulian Amiftahkhul Ibra. (2021). The Role of Samin Tribe’s Opinion Leaders in COVID-19 Socialization. ICHELSS: International Conference on Humanities, Education, Law, and Social Sciences, 1(1), 509-524. Retrieved from http://103.8.12.212:33180/unj/index.php/hispisi/article/view/22202