SAMSUDI, Samsudi; SUPRAPTONO, Eko; SUNYOTO, Sunyoto; ROHMAN, Shohihatur. The Implementation of Project-Based Learning in Productive Skill Programs for the Development of 21st Century Vocational School Students . KnE Social Sciences, [S. l.], v. 3, n. 18, p. 470–479, 2019. DOI: 10.18502/kss.v3i18.4738. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/4738. Acesso em: 11 jul. 2025.