Methodological conception of the Integrating Main Discipline, in the study plan E in the Marxism-Leninism-History course. OB [Internet]. 2021 Jan. 29 [cited 2026 Oct. 29];13(1):86-101. Available from: https://opuntiabrava.ult.edu.cu/index.php/opuntiabrava/article/view/1158