TY - JOUR AU - namakian, majid AU - kahrizi, omid ali TI - The Impact of Essential Capabilities of Marketing on the Performance of Knowledge-Based Enterprises JO - Roshd -e- Fanavari VL - 16 IS - 63 SP - 42 EP - 49 PY - 2020 DO - 10.52547/jstpi.20803.16.63.42 ER -