Laser as a tool to measure the diameter of goat hair (Capra aegagrus hircus) Rani Rahmawati ; Widi Komariah ; Helmina Pebriyanti ; Dedeh Sukmawati ; Siti Rusmiati ; Retno Nopita ; Eko Sujarwanto Komunikasi Fisika Indonesia 8 Sep 2026 10.31258/jkfi.21.1.1-6
