?url_ver=Z39.88-2004&rft_id=10.1088%2F1755-1315%2F1003%2F1%2F012026&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=W.E.&rft.aulast=Ibrahim&rft.au=Ibrahim%2C+W.E.&rft.issn=17551307&rft.date=2022&rft.title=Organic+geochemical+characterization+of+Cretaceous+-+Eocene+shale+and+mudstone+in+Belaga+Formation&rft.genre=proceeding