EL ESTUDIO DE LAS RELACIONES POLÍTICAS INTERNACIONALES: PRINCIPALES APORTES DEL MARXISMO-LENINISMO: THE STUDY OF THE INTERNATIONAL POLITIC RELATIONSHIPS: MAJOR CONTRIBUTIONS OF THE MARXISM-LENINISM. OB [Internet]. 2018 Sep. 7 [cited 2026 Oct. 29];7(1):1-9. Available from: https://opuntiabrava.ult.edu.cu/index.php/opuntiabrava/article/view/283