Supplementary material to ” Software development in startup companies : A systematic mapping study ”

(’early-stage firm’ OR ’early-stage company’ OR ’high-tech venture’ OR ’high-tech ventures’ OR ’high-tech start-up’ OR ’high-tech start-ups’ OR ’high-tech startups’ OR ’high-tech startup’ OR ’start-up company’ OR ’start-up companies’ OR ’startup company’ OR ’startup companies’ OR ’software startup’ OR ’lean startup’ OR ’lean start-up’ OR ’lean startups’ OR ’software startups’ OR ’software package startups’ OR ’software package start-up’ OR ’software package start-ups’ OR ’software package startup’ OR ’IT start-ups’ OR ’IT start-up’ OR ’IT startup’ OR ’IT startups’ OR ’software start-up’ OR ’software start-ups’ OR ’software product startup’ OR ’software product startups’ OR ’software start up’ OR ’web startup’ OR ’web start-up’ OR ’web startups’ OR ’web start-ups’ OR’internet startup’ OR ’internet start-up’ OR ’internet startups’ OR ’internet start-ups’ OR ’mobile startup’ OR ’mobile start-up’ OR ’mobile startups’ OR ’mobile start-ups’)AND (develop* OR engineer* OR model* OR construct* OR implement* OR cod* OR creat* OR build*) AND (software OR product* OR service* OR process* OR methodolog* OR tool* OR method* OR practice* OR artifact* OR artefact* OR qualit* OR ’non-functional requirement’ OR ’non-functional requirements’ OR ilit* OR strateg*)