Wiyanti E. CONTEXTUAL DISCOURSE ON THE BANNERS OF LAKA UNIT COMMUNITY SERVICE THE POLRES BOGOR ITS RELEVANCE AS TEACHING MATERIALS IN HIGH SCHOOLS. IJAST [Internet]. 2020Mar.19 [cited 2024May5];29(4s):1663 -170. Available from: http://sersc.org/journals/index.php/IJAST/article/view/6969