Rusyda, H. A., Soleh, A. Z., Noviyanti, L., Chadidjah, A., & Indrayatna, F. (2020). Utilization Copula in Determination of Shallot Insurance Premium Based on Regional Harvest Results. EKSAKTA: Journal of Sciences and Data Analysis, 20(2), 160–166. https://doi.org/10.20885/EKSAKTA.vol1.iss2.art11