Sinta Rindiani, Nadia, et al. “INDONESIA–ANGOLA TRADE AND INVESTMENT POTENTIAL: A PRODUCT CLASSIFICATION MODEL USING REVEALED COMPARATIVE ADVANTAGE AND CONSTANT MARKET SHARE ANALYSIS”. KAIRÓS, Revista De Ciencias económicas, jurídicas Y Administrativas, vol. 9, no. 16, Jan. 2026, pp. 158-82, https://doi.org/10.37135/kai.03.16.08.