THE EFFECT OF THE IMPLEMENTATION OF THINK-TALK-WRITE (TTW) LEARNING STRATEGY ON THE ABILITY TO UNDERSTAND THE CONCEPT AND MATHEMATICS COMMUNICATION OF STKIP MUHAMMADIYAH MUARA BUNGO STUDENTS. j.tunas.pendidik 2022, 5 (1), 68-76. https://doi.org/10.52060/pgsd.v5i1.789.