Sharif University of Technology (Sharif Policy Research Institute) Science and Technology Policy Letters 2476-7220 08 2 2018 07 23 A review of the technology innovation system and its analysis A review of the technology innovation system and its analysis 43 58 21302 FA Hossein Heirani Journal Article 2019 03 04 https://stpl.ristip.sharif.ir/article_21302_048e4fd12e1a320c292cdb872b58647c.pdf