ALAT PENGHITUNG JUMLAH PUSH UP DENGAN APLIKASI INFRARED. Jurnal Tekno, [S. l.], v. 14, n. 2, p. 46–53, 2019. Disponível em: https://journal.binadarma.ac.id/index.php/jurnaltekno/article/view/648. Acesso em: 1 jul. 2025.