Grand Theory

E-Book "Introduction to Mediation, Moderation and Conditional Process Analysis"

Penulis: Andrew F. Hayes (2018)

E-Book "Encyclopedia Communication Theory" 

Penulis: Littlejohn, Stephen W. & Foss, Karen A. (2009)

E-Book "Strategic Management"

Penulis: Fred R. David & Forest R. David (2017)

E-Book "Marketing Management"

Penulis: Kotler & Keller (2012)