TY - BOOK AU - ARMSTRONG,Gary AU - Kotler,Philip ED - Prentice Hall International Ltd TI - Principles of marketing SN - 0137216890 U1 - 6588 PY - 1991///. PB - Prentice Hall International Ltd, KW - DESGNING PRODUCTS KW - Information systems KW - Management KW - Marketing KW - MARKETING ENVIRONMENT KW - Marketing research KW - ORGANIZATIONAL MARKETS KW - PLACING PRODUCTS KW - PROMOTING PRODUCTS KW - Public relations KW - Strategies KW - Planning ER -