TY - JOUR AU - ASGHARI ESTIAR, FARHAD AU - MOHAMMADZADEH, AMIR AU - Abbasi, Ebrahim TI - Valuation of digital services in Iran: Empirical proof for Google and Instagram JO - Journal of Information and Communication Technology VL - 15 IS - 55 SP - 14 EP - 25 PY - 2023 DO - 10.61186/jict.43901.15.55.14 ER -