N. Sinta Rindiani, S. . Sjahril Sabaruddin, and M. . As'adur Rofiq, “INDONESIA–ANGOLA TRADE AND INVESTMENT POTENTIAL: A PRODUCT CLASSIFICATION MODEL USING REVEALED COMPARATIVE ADVANTAGE AND CONSTANT MARKET SHARE ANALYSIS”, KAIRÓS, vol. 9, no. 16, pp. 158–182, Jan. 2026, doi: 10.37135/kai.03.16.08.