Wyrasti AF. DECREASING THE BLACK-SCHOLES FORMULA FOR EUROPEAN PUT OPTION PRICING: PENURUNAN RUMUS BLACK-SCHOLES UNTUK PENENTUAN HARGA OPSI PUT EROPA. JISTECH [Internet]. 2023Jan.22 [cited 2024Dec.22];6(2). Available from: https://jurnal.unipa.ac.id/index.php/istech/article/view/138