MODEL APPLICATION TYPE COOPERATIVE LEARNING STAD (STUDENT TEAM DIVISION ACHIVEMENT) TO IMPROVE STUDENT LEARNING CLASS RESULTS IV.A SDN 091 PEKANBARU - Tria Febriana, Deka Tria Febriana Deka (Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan, 2015)