Rinaldi, Siswo Pranoto, and Suyitno Suyitno. “Studi Karakteristik Material Alat Pemadam Api Ringan (APAR) Jenis ABC Powder Melalui Pengamatan Struktur Mikro Dan Pengujian Kekerasan”. SAINSTEK 6, no. 1 (June 29, 2018): 41–50. Accessed February 24, 2026. https://ejournal.sttp-yds.ac.id/index.php/js/article/view/82.