Ariani, P.; Wachidi, W. THE IMPLEMENTATION OF DISCOVERY LEARNING MODEL TO IMPROVE STUDENT ACTIVITIES AND LEARNING ACHIEVEMENT OF PANCASILA AND CIVIC EDUCATION (PPKN) OF 7th GRADE STUDENTS IN SMPN 8 REJANG LEBONG. Diadik j. ilm. teknol. pendidik. 2019, 8, 78-87.