darvishi, maryam, ziaei, alireza. “An Empirical Investigation of Green Intellectual Capital on Green Technological Innovation in Oil, Gas and Petrochemical Industry: Evidence from Khuzestan Province.” Roshd -e- Fanavari, vol. 14, no. 53, 2018, pp. 36-44. 10.7508/jstpi.2018.01.005