THE EFFECT OF PROBLEM-BASED LEARNING AND MOTIVATION ON LEARNING OUTCOMES OF ISLAMIC RELIGIOUS EDUCATION STUDENTS OF SMP NEGERI 1 HELVETIA VILLAGE, LABUHAN DELI DISTRICT DELI SERDANG REGENCY - Abdillah, Abdillah; Dosen UIN Sumatera Utara (Universitas Islam Negeri Sumatera Utara Medan, 2019)