OKO, Augustine Egwu Ndu; NNANNA, Ohuonu Okwudiri - In: Expert Journal of Marketing 2 (2014) 1, pp. 37-52
The adoption of sales promotion in the marketing of telecommunication services in Nigeria is common among the front line GSM service providers. This however does not yield the much assured increasing return on investment, hence is unprofitable and the required fund for the expansion of...