E. Sukmanasa, Indirwan, M. Salwa, and N. Wahyuni, “The Evaluating the Effectiveness of Role-Playing in Enhancing Fourth Graders’ Mastery of Decimal Numbers in Mathematics”, J.Math.Instr.Soc.Res.Opin., vol. 4, no. 2, pp. 455–464, Jun. 2025.