Ajmilatunnisa, S. et al. 2026. Penerapan Model Geometric Brownian Motion dalam Memprediksi Harga Penutupan Saham Sektor Asuransi di Bursa Efek Indonesia (Studi Kasus: PT. Asuransi Multi Artha Guna Tbk). Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences. 5, 4 (Jul. 2026), 861–872. DOI:https://doi.org/10.53696/venn.v5i4.514.