SANDEEP KUMAR PENCHALA. ENTERPRISE-GRADE MOBILE PUSH-TO-TALK SYSTEMS FOR EMERGENCY SERVICES: ARCHITECTURAL FRAMEWORKS, SECURITY PARADIGMS, AND PERFORMANCE OPTIMIZATION. TPM – Testing, Psychometrics, Methodology in Applied Psychology, [S. l.], v. 32, n. S9, p. 2408–2423, 2025. DOI: 10.5281/zenodo.18043541. Disponível em: https://tpmap.org/submission/index.php/tpm/article/view/3780. Acesso em: 3 jan. 2026.