?url_ver=Z39.88-2004&rft_id=10.3390%2Fpolym13203604&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K.&rft.aulast=Chaiyasarn&rft.au=Chaiyasarn%2C+K.&rft.date=2021&rft.title=Polymers&rft.atitle=Flexural+behavior+of+natural+hybrid+frp-strengthened+rc+beams+and+strain+measurements+using+botda&rft.volume=13&rft.issn=20734360&rft.issue=20&rft.genre=article