Sari, Rima Meilita, Rusmaniah Rusmaniah, and Ridhwan Ridhwan. 2023. “Using Blended Disaster Learning Multimedia (BDLM) for Geography Teachers Candidate: Experimental Study on Disaster Preparedness Knowledge”. Geosfera Indonesia 8 (3):262-76. https://doi.org/10.19184/geosi.v8i3.31287.