Ahuja, B. N.
Communications yesterday, today and tomorrow
Surjeet Publications, 1989
 Buku Teks
Henderson, David
The changing fortunes of economic liberalism : yesterday, today and tomorrow
New Zealand Business Roundtable , 1998
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Frankel, P.H.
Essentials of petroleum : a key to oil economics
Chapman and Hall, 1946
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Uren, Lester C.
Petroleum production engineering : oil field
New York: McGraw-Hill, 1956
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Uren, Lester C.
Petroleum production engineering : oil field
New York: McGraw-Hill, 1956
 Buku Teks