USMAN, B. ., MUSTAPHA , Y. I. . and GBADEYAN, R. A. . (2025) “Green Marketing Strategies and Sustainable Purchasing Behaviour: Evidence from FMCG Consumers in North-East Nigeria”, Gusau International Journal of Management and Social Sciences, 8(2), pp. 267–296. doi: 10.57233/gijmss.v8i2.15.