Maizarmis, B. 2019. THE IMPLEMENTATION OF COOPERATIVE WORD SQUARE LEARNING MODEL TO INCREASE LEARNING OUTCOMES AND MOTIVATION OF STUDENTS IN VIRUS AND BACTERIAL MATERIALS IN BIOLOGICAL LESSONS CLASS X MIA 4 IN MADRASAH ALIYAH NEGERI 1 PEKANBARU STUDY YEAR 2018/2019. Jurnal Pendidikan Tambusai. 3, 2 (Aug. 2019), 836–846. DOI:https://doi.org/10.31004/jptam.v2i4.289.