Alisha, Azetta Fikra, Zulhelmi Zulhelmi, and Muhammad Syafi’i. 2025. “Implementation of The Understanding by Design (Ubd) Approach To Enchance Student’s Learning in Earth and Solar System Topics At SMPN 1 Rengat”. NUSRA : Jurnal Penelitian Dan Ilmu Pendidikan 6 (4):744-58. https://doi.org/10.55681/nusra.v6i4.3980.