FirmansyahA., AlghifariM. A., and Salwa WardinaY. “The History and Preservation of the Cultural Heritage of the Suster Pontianak Junior High School As a Source for Learning History”. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), Vol. 8, no. 2, Nov. 2024, pp. 2090-7, doi:10.36526/santhet.v8i2.4622.