Business English with programmed reinforcement

ग्रंथसूची विवरण
मुख्य लेखक:	Slocum, Keith 1945-
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	New York Glencoe c1993.
संस्करण:	4th ed.
विषय:	English language > Business English > Programmed instruction.