List of Articles glass reinforced plastic pipe (GRP) Open Access Article Abstract Page Full-Text 1 - Evaluation of internal surface roughness in fiberglass pipes by surface roughness instruments Farnoush Aghaee Daneshvar Nasser Talebbeydokhti Seyed Mehdi Dehghan Seyed Mohammad Mehdi Elhamian 10.30495/wej.2024.31547.2377