Saxena, H.C.
S. Chand & Company Ltd, 1980
Buku Teks
Spiegel, Murray R., author
McGraw-Hill, 1971
Buku Teks
Spiegel, Murray R., author
McGraw-Hill, 1971
Buku Teks
Spiegel, Murray R., author
McGraw-Hil International, 1981
Buku Teks
Gear, C. William (Charles William), 1935-, author
Prentice-Hall, 1971
Buku Teks