HANDZHIEV, Vladimir. MEASURING SOFTWARE DEVELOPER PRODUCTIVITY: REVIEW OF APPROACHES AND THEIR LIMITATIONS. E-Journal VFU, [S. l.], n. 25, p. 620–628, 2026. DOI: 10.53606/evfu.25.620-628. Disponível em: https://ejournal.vfu.bg/index.php/vfu/article/view/308. Acesso em: 24 apr. 2026.