MARLISSA, ELSYAN RIENETTE, and RATNA MUFIDAH. “PORTER’S DIAMOND THEORY IN COMPETITIVENESS ENHANCEMENT STRATEGIESMICRO, SMALL, AND MEDIUM ENTERPRISE (MSME) PRODUCTS IN JAYAPURA CITY”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. S1 (2025): Posted 12 May, Aug. 2025, pp. 283-90, https://tpmap.org/submission/index.php/tpm/article/view/163.