Lifestream of oil progress.
- Dallas, TX, USA : Caltex Petroleum Corporation, 1951.
UKM: 1981-1985. Judul asal'Lifstream of oil progress'. Hadiah penerbit.Bahan di tempatkan di Koleksi Jurnal Simpan, Bahagian Terbitan Bersiri, paras 3, untuk maklumat lanjut sila hubungi kakitangan bertugas.
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= Lifestream of oil progress. Lifestream of oil progress.