List of Articles research and development investment Open Access Article Abstract Page Full-Text 1 - The effect of financial report quality, managerial ownership and research and development investment on audit report delay Seyed hossein Ahmadi Langari Open Access Article Abstract Page Full-Text 2 - The Role of Debt-based Financing in the Relationship between Corporate Governance and R&D Investment Abdolrasoul Rahmanian Koushkaki Samira Motae 10.30495/jdaa.2023.707958