Winardi. (1989). Aspek-aspek bantuan permasalahan (Marketing mix).
Chicago Style CitationWinardi. Aspek-aspek Bantuan Permasalahan (Marketing Mix). 1989.
MLA CitationWinardi. Aspek-aspek Bantuan Permasalahan (Marketing Mix). 1989.
Warning: These citations may not always be 100% accurate.