Penentuan Nilai Koefisien Restitusi Kelereng Kaca menggunakan Metode Pencitraan Jeda Waktu Sederhana. jlppm [Internet]. 2023 Jun. 30 [cited 2026 Aug. 16];4(1):14-20. Available from: https://ejournal.ybli.or.id/index.php/jlppm/article/view/41