RANI DARMA SAKTI TANJUNG, S TANG, SUDIRMAN NASIR, INDRA FAJARWATI, MUHAMMAD ARSYAD, JUMRAH, ANWAR MALLONGI, ANTO J. HADI 2025. PREVENTION OF POSTPARTUM BLUES THROUGH FAMILY SUPERVISION BASED ON MANDAILING CULTURE IN NORTH SUMATERA. TPM – Testing, Psychometrics, Methodology in Applied Psychology. 32, 3 (Sep. 2025), 249–257.