Anastasiia Tkalich Nils Brede Moe Rasmus Ulfsnes Making Internal Software Startups Work: How to Innovate Like a Venture Builder? 152-167 2021 ICSOB https://doi.org/10.1007/978-3-030-91983-2_12 conf/icsob/2021 db/conf/icsob/icsob2021.html#TkalichMU21