?url_ver=Z39.88-2004&rft_id=10.36380%2Fjwpr.2021.24&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=F.&rft.au=Marwi%2C+F.&rft.aulast=Marwi&rft.date=25+June+2021&rft.title=Journal+of+World's+Poultry+Research&rft.volume=11&rft.issn=2322455X+(ISSN)&rft.atitle=Effect+of+Probiotics+and+Magnetic+Technology+in+Drinking+Water+on+Production+Performance+and+Egg+Quality+of+Laying+Hens&rft.issue=2&rft.pages=204-209&rft.genre=article