List of Articles Grounded Theory JEL Classification: M13 Open Access Article Abstract Page Full-Text 1 - Identify the Importance of Validation of Idea and Timing in the Success of Startups with an Emphasis on Financial Resource and Investment Planning فریبا فتحی وحید رضا میرابی جلال حقیقت منفرد 10.30495/fed.2022.691512