Heckman, P.E., Vestergaard, A.J. and Sole, K.M. 2018. Guiding Principles Model: A Call to Integrate the 4 P’s into a Strategic Construct. Journal of Marketing Development and Competitiveness. 12, 4 (Dec. 2018). DOI:https://doi.org/10.33423/jmdc.v12i4.199.