Atania Christianti Br Ginting, and Nur Indah Simamora. 2023. “Development of Learning Tools Based on a Realistic Mathematics Approach With the Karo Cultural Context to Improve Student’s Mathematical Connection Ability in Class XII”. Proceeding International Conference on Religion, Science and Education 2 (April):71-76. https://sunankalijaga.org/prosiding/index.php/icrse/article/view/893.