Sihombing, Y. et al. 2026. Development of a Rare Flora and Fauna Booklet on the Toba Caldera to Enhance the Knowledge Dimension of Ecoliteracy among Senior High School Students. Bioscientist : Jurnal Ilmiah Biologi. 14, 1 (Mar. 2026), 475–484. DOI:https://doi.org/10.33394/bioscientist.v14i1.20031.