Arishanti, I. N., and A. . Setyawan. “IMPROVING MATHEMATICS LEARNING OUTCOMES IN UNITS OF TIME USING WALL CLOCK MEDIA AT SDN TUNJUNG 4”. Maktab: Jurnal Pendidikan Dan Teknologi, vol. 1, no. 1, July 2022, pp. 304-13, http://journal.citradharma.org/index.php/maktab/article/view/488.