IMPACT OF RESEARCH AND DEVELOPMENT ON THE VALUE ADDITION OF SERVICES: STRUCTURAL TRANSFORMATION OF PAKISTAN AND INDIA. Advance Journal of Econometrics and Finance, [S. l.], v. 4, n. 2, p. 600–636, 2026. DOI: 10.63075/8q84rr50. Disponível em: https://ajeaf.com/index.php/Journal/article/view/341. Acesso em: 30 may. 2026.