Ginting, Astriani Natalia Br, Chrismis Novalinda Ginting, Gusbakti Rusip, and Linda Chiuman. 2025. “Antidiabetic Activity of Cep-Cepan Leaf Extract Nanoparticles (Castanopsis Costata) in Streptozotocin-Induced White Rat Models”. Jurnal Penelitian Pendidikan IPA 11 (2):64-70. https://doi.org/10.29303/jppipa.v11i2.9408.