TY - JOUR AU - Hatamian , Reza AU - azad, naser AU - Naami , Abdullah TI - Designing a profitability model for the end user from the perspective of technology entrepreneurs with a mixed method in the Iranian software industry JO - Roshd -e- Fanavari VL - 17 IS - 68 SP - 53 EP - 60 PY - 2021 DO - 10.52547/jstpi.20971.17.68.53 ER -