List of Articles sales strategy Open Access Article Abstract Page Full-Text 1 - Investigating The effect of planning and sales strategy on the performance of knowledge-based companies Mina Sarshar Majid Fattahi Niloufar Imankhan Open Access Article Abstract Page Full-Text 2 - Analyzing the role of innovation on the competitive advantage of knowledge-based companies Mina Sarshar Majid Fattahi Niloufar Imankhan