?url_ver=Z39.88-2004&rft_id=10.7186%2Fbgsm63201705&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Abdullah%2C+W.H.&rft.aulast=Abdullah&rft.aufirst=W.H.&rft.pages=103-115&rft.atitle=Petroleum+source+rock+characteristics+of+marine+versus+coastal+settings%3A+A+comparative+study+between+Madbi+Formation+of+Masila+Basin%2C+Yemen+and+Nyalau+formation+of+Sarawak%2C+Malaysia&rft.date=2017&rft.volume=63&rft.issn=01266187&rft.title=Bulletin+of+the+Geological+Society+of+Malaysia&rft.genre=article