Valiente Sandó P, Romero Llorente A, Díaz Ferrer Y, González Rivero BM. Perceptions about doctoral programs in educational sciences: study in universities in eastern Cuba. Trans [Internet]. 2023 Aug. 8 [cited 2025 Dec. 10];19(3):475-92. Available from: https://transformacion.reduc.edu.cu/index.php/transformacion/article/view/19