MASKUR. RANCANGAN PERHITUNGAN JUMLAH ORANG DALAM SUATU RUANGAN PADA KONDISI PANDEMI COVID-19 BERBASIS MIKROKONTROLER. SinarFe7, [S. l.], v. 4, n. 1, p. 533–538, 2021. Disponível em: https://www.journal.fortei7.org/index.php/sinarFe7/article/view/69. Acesso em: 30 jul. 2026.