KHANH, NGUYEN TUAN, and LE THI THANH TAM. “VIETNAM’S ROLE AS A MIDDLE POWER IN THE EVOLVING INDO-PACIFIC GEOPOLITICAL LANDSCAPE”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. 2 - June, June 2025, pp. 528-36, https://tpmap.org/submission/index.php/tpm/article/view/1302.