1. University of the Philippines College of Law, online: University of the Philippines College of Law;J Rommel;A Giant of his Time, A Man Ahead of his Time,2022
2. The section "From periodization to the modes of production" is particularly helpful. The relation between "base" and "superstructure" becomes important to the understanding of tactics, strategies, culture, etc. Raymond Williams suggests that the base is the real relations of human beings, more dynamic, complex, and contradictory. See Raymond Williams;�tienne Ibid;Culture and Materialism,2009
3. Especially after 1990s when the CPP itself suffered a break-up. See Armando Liwanag;online: Marxists Internet Archive,1991
4. The Ottoman Empire: The Origins of Extraterritoriality, and International Legal Theory;Umut �zsu;The Oxford Handbook of the Theory of International Law,2016