Mahlianurrahman, Lasmawan, I.W., Candiasa, I.M. and Suastra, I.W. 2025. Teachers’ Challenges in Improving Students’ Collaboration Abilities. Entita: Jurnal Pendidikan Ilmu Pengetahuan Sosial dan Ilmu-Ilmu Sosial. 1, (May 2025), 15-26. DOI:https://doi.org/10.19105/ejpis.v1i.19123.