Kamtchueng, L. M. M. “Give an Envelope for the Boss/Give a Brown Envelope for the Boss- On the Semantics and Characteristics of the Metaphors for Bribe Across Cultures: Focus on Cameroon and Nigeria”. Journal of Language and Education, Vol. 3, no. 1, Mar. 2017, pp. 45-57, doi:10.17323/2411-7390-2017-3-1-45-57.