Azizah, A., T. Tatang, N. Saleh, and M. Nurmala. “Collaborative Learning through Inside Outside Circle (IOC)- Post to Post Game in 21st Century Mufradat Learning”. Edumaspul: Jurnal Pendidikan, Vol. 8, no. 1, Mar. 2024, pp. 307-18, doi:10.33487/edumaspul.v8i1.7631.