?url_ver=Z39.88-2004&rft_id=10.1088%2F1755-1315%2F494%2F1%2F012012&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Roslan&rft.au=Roslan%2C+H.&rft.aufirst=H.&rft.date=2020&rft.title=Optimization+of+Flavonoid+Extraction+from+Guava+Leaves+for+Application+in+Reducing+Urea+Transformation+in+Soil&rft.issn=17551307&rft.genre=proceeding