1.
Sari Siregar R. IMPROVEMENT OF COMMUNICATION SKILLS AND MATHEMATICAL DISPOSITION OF STUDENTS GIVEN A MODEL PROBLEM BASED LEARNING AND DISCOVERY. NHJ [Internet]. 2022 Jul. 2 [cited 2024 Nov. 29];2(2):204-1. Available from: https://nusantarahasanajournal.com/index.php/nhj/article/view/377