@base . "Texas" . a ; . a . a ; "2326-6589" ; . a ; "2326-6570" ; . a ; ; "20210206221500.0"^^ ; ; . . a , , ; , , ; "American journal of oil and chemical technologies." ; ; ; ; "2326-6589" ; ; ; "2326-6589" ; ; "2326-6589" ; "American journal of oil and chemical technologies." , "American journal of oil and chemical technologies (Online)" ; ; "http://petrotexlibrary.com/petrotex-journal-archive/" . a , ; "American journal of oil and chemical technologies (Online)" .