“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”. 2026. SPEKTRA: Jurnal Kajian Pendidikan Sains 11 (2): 376-88. https://doi.org/10.32699/nf83a298.