1. An Approach for determining criteria of Sales Performance;Cravens;J. Appl. Psych.,1973
2. A Theory of Role Strain;Goode;Am. Sociol. Rev.,1960
3. Research for Marketing Decisions;Green,1975
4. The Salesman's Career Cycle;Jolson;J. Market,1974
5. National Industrial Conference Board: Measuring Salesman's Performance,1965