Ismail, Ismail, et al. “ Analisis Penggunaan Media Jam Dinding Pada Mata Pelajaran Matematika Materi Pengukuran Kelas 1 SDN Plamongsari 02 Semarang ”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, Apr. 2023, pp. 287-96, http://j-innovative.org/index.php/Innovative/article/view/310.