SIREGAR, Eko Febri Syahputra; FEBIANA NATASHA; M. PEMBERDI INTASIR; DIOS SARKITY; YUDI PRATAMA; NURUL HILDA SYANI PUTRI. Penguatan Keterampilan Kolaborasi Mahasiswa FKIP UMRAH Melalui Implementasi Lesson Study. TANJAK : Journal of Education and Teaching, [S. l.], v. 5, n. 2, p. 78–89, 2024. DOI: 10.35961/tanjak.v5i2.1124. Disponível em: https://ejournal.stainkepri.ac.id/index.php/tanjak/article/view/1124. Acesso em: 8 jun. 2026.