Ayeik Abimanyu, and Prantasi Harmi Tjahjanti. “Oxy Acetylene Welding Analysis for Plastic Welding of Thermoplastic Polymer Materials: Analisa Las Oksi Asitilen Untuk Las Plastik Material Polimer Termoplastik ”. Procedia of Engineering and Life Science, vol. 1, no. 1, Mar. 2021, doi:10.21070/pels.v1i1.833.