Langan, John, 1942-
McGraw-Hill, 2001
Buku Teks SO
Langan, John, 1942-
McGraw-Hill, 2019
Buku Teks SO
Langan, John, 1942-
McGraw-Hill, 2001
Multimedia
Langan, John, 1942-
MCGraw-Hill, 2001
Multimedia
Knickerbocker, K.L. [Kenneth Leslie]
Holt, Rinehart and Winston, 1956
Buku Teks SO