TY - BOOK AU - Kiir, Samuuel Ngor TI - How Effective Marketing Affects the Performance of an Organizational Sales: a case study of nyayom mineral bottling company ltd U1 - D 658.8 23 PY - 2014/// CY - [s.l PB - s.n] KW - Sales promotion N1 - Includes bibliographic references and appendix ER -