Sari YW, Gunardi G. PENDEKATAN OPSI CASH-OR-NOTHING UP AND IN BARRIER UNTUK PENENTUAN NILAI PREMI ASURANSI PERTANIAN. IJSA [Internet]. 2026 May 16 [cited 2026 May 22];4(3):557-65. Available from: https://journal-stats.ipb.ac.id/index.php/ijsa/article/view/660