NYARKO, NANA YAA. “PSYCHOMETRIC PROPERTIES OF THE BASIC PERSONALITY INVENTORY (BPI) AMONG GHANAIAN ADOLESCENTS”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. S7 (2025): Posted 10 October, Oct. 2025, pp. 1807-15, https://tpmap.org/submission/index.php/tpm/article/view/2454.