Setiawati, Setiawati, 		Anim, Anim, AND 		Aritonang, Erika.
" PENINGKATAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS MELALUI PENERAPAN MODEL PROBLEM BASED LEARNING PADA MATERI  BANGUN RUANG" <em>jurnal Rectum</em> [Online], Volume 4 Number 2 (2 January 2025)