Korhonen P, M Soismaa and A Siljamaki (2002). “On the Use of Value Efficiency Analysis and Some Further Developments.” JPA 17(1-2): 49-64.
Korhonen P, M Soismaa and A Siljamaki (2002). “On the Use of Value Efficiency Analysis and Some Further Developments.” JPA 17(1-2): 49-64.