“The Reasons And Problems For The Renewed Interest In Natural Gas And Liquefied Natural Gas (Lng) World Wide During The Late 1980s And Early 1990s”. Jurnal Teknologi 18, no. 1 (May 15, 1991): 44–53. Accessed July 23, 2024. https://journals.utm.my/jurnalteknologi/article/view/1049.