Dian Ferricha, Rischy Eka, Wifanka, and Gading Angga, “Determination of Gurami Fish Prices by Middlemen Reviewed from Law No. 5 of 1999 concerning Prohibition Monopolistic Practices and Unfair Business Competition (Case Study in Balesono Village) Subdistrict Ngunut Regency Tulungagung”, INCOILS, vol. 3, no. 1, Jul. 2025.