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The sales process : an open systems approach
Robertson, Thomas S., (1968)
Significance and differences of marketing and sales controlling
Havlíček, Karel, (2013)
Value-based sales process adaption in business relationships
Viio, Paul, (2014)
Soziale Faktoren bei innovativem Verhalten
Robertson, Thomas S., (1972)
Business model innovation : a marketing ecosystem view
Robertson, Thomas S., (2017)