PRADANA, Mohammad Syaiful. THE ACTIVITY INFLUENCE USING GEOGEBRA PROGRAM ON CIRCLE SUBJECT OF STUDENT ACHIEVEMENT. UJMC (Unisda Journal of Mathematics and Computer Science), [S. l.], v. 1, n. 01, p. 39–46, 2015. DOI: 10.52166/ujmc.v1i01.435. Disponível em: https://ejournal.unisda.ac.id/index.php/ujmc/article/view/435. Acesso em: 5 jun. 2026.