Ramnah Sinaga, Kms. Muhammad Amin Fauzi, Adi Sutopo. Development of Learning-Based Teaching Materials Realistic Mathematics to Improve Elementary Students Mathematics Learning Results Serdang Bedagai. Info Sains [Internet]. 2024 May 15 [cited 2025 Jan. 9];14(02):93-102. Available from: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/4417