List of Articles Complementary Product Open Access Article Abstract Page Full-Text 1 - Pricing in a two-echelon supply chain with different market powers: game theory approaches Afshin Esmaeilzadeh Ata Allah Taleizadeh Open Access Article Abstract Page Full-Text 2 - Pricing for Complementary and Substitute Products Simultaneously in the Package-Sale and Separate-Sale Considering Disruption Risk Ashkan Mohsenzadeh Ledari