-
1
المؤلفون: Roy Paul Madsen, Helen P. Harrison, Mel Schuster, Frank Manchel, Howard Koch, Russel C. Sweeny, Luda Schnitzer, Jean Schnitzer, Marcel Martin, James Robert Parish, Ronald L. Bower, Johnny Minus, William Storm Hale, Oliver Mathews
المصدر: Communication Booknotes. 5:6-8
مصطلحات موضوعية: General Engineering