Alexander, Ralph S.
Marketing / by Ralph S. Alexander, Frank M. Surface ...et.al
Ginn and Co. , 1953
 Buku Teks
Alexander, Ralph
Industrial marketing / Ralph Alexander, James C. Cross and Ross M. Cunningham
Richard D. Irwin , 1961
 Buku Teks
Alexander, Ralph S.
Industrial marketing / by Ralph S. Alexander, James S. Cross, Ross M. Cunningham
Richard D. Irwin, 1956
 Buku Teks
Day, Ralph L.
Marketing in action : a dynamic business decisions game / by Ralph L. Day
Richard D. Irwin, 1962
 Buku Teks
Panduan memahami kebijaksanaan dan prosedur penjualan dan pemasaran = Manual of sales and marketing policies and procedures / by Alexander Hamilton Institute
Elex Media Komputindo, 1994
 Buku Teks
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