Elita Mega Selvia Wijaya and Rudy Setiawan 2025. The Success of Implementing Congklak 4.0 Based on RME to Enhance Numeracy Literacy and Mathematical Concept Understanding of Elementary School . EduMatSains : Jurnal Pendidikan, Matematika dan Sains. 10, 2 (Oct. 2025), 273–284. DOI:https://doi.org/10.33541/edumatsains.v10i2.7374.