Gunawan Widjaja, Tiwi Siftiyani Rosidah, Tanti Herawati and Rahadian Bayu Anggoro (2022) “KONTRAK DAN SEJUMLAH UANG TERTENTU”, Jurnal Cakrawala Ilmiah, 1(6), pp. 1533–1546. doi: 10.53625/jcijurnalcakrawalailmiah.v1i6.1518.