NURHAYANI; SINAGA, R. M.; PUJIATI. Analysis of "Productive and Educative" Performance in the Lesson Studies of the Center of Excellence SMK (Study at State Vocational High School 4 Bandar Lampung). International Journal of Educational and Life Sciences, [S. l.], v. 2, n. 1, p. 69–82, 2024. DOI: 10.59890/ijels.v2i1.1169. Disponível em: https://journal.multitechpublisher.com/index.php/ijels/article/view/1169. Acesso em: 27 may. 2026.