“EFFORTS TO IMPROVE WRITTEN COMMUNICATION SKILLS AND STUDENTS’ SCIENTIFIC ATTITUDES BY USING THE DISCOVERY LEARNING LEARNING MODEL AT AL-HASAN MADANI ISLAMIC BOARDING SCHOOL RIAU”. SPEKTRA: Jurnal Kajian Pendidikan Sains 11, no. 2 (January 6, 2026): 376–388. Accessed May 28, 2026. https://ojs.unsiq.ac.id/index.php/spektra/article/view/10325.