Turnip IRS, Sukiati S, Irwan I. THE PATTERNS OF APPLYING LEGAL THEORY IN THESIS WRITING OF STUDENTS OF ISLAMIC FAMILY LAW IN THE FACULTY OF SYARI’AH AND LAW AT UIN SUMATERA UTARA. ijhi [Internet]. 2023 Jan. 28 [cited 2025 Dec. 3];21(2):391-415. Available from: https://istinbath.or.id/index.php/ijhi/article/view/574