KURNIAWAN, Yulius; MASNAWATI, Eli. Efforts to Improve Student Achievement Index Through Learning Motivation and Pedagogical Competence of Lecturers. Studi Ilmu Sosial Indonesia, [S. l.], v. 2, n. 2, p. 29–36, 2022. Disponível em: https://sisijournals.id/index.php/sisi/article/view/25. Acesso em: 17 jun. 2026.