Vina Novita, Nurul Habibah Arfizeah, Risnawati, and Miftahir Rizqa, “ANALYSIS OF VALIDITY AND RELIABILITY IN STUDENT COLLABORATION SKILLS RESEARCH ON FIQH SUBJECTS AT MAN 1 PEKANBARU”, didaktik, vol. 11, no. 04, pp. 236 - 246, Jan. 2026.