ISPANDI MANURUNG, Khairunnisa, Isnaida,. Pengaruh Model Pembelajaran Learning By Doing Terhadap Kemampuan Penalaran Siswa Di SMKS-PP Putra Jaya Jabal Rahmah Stabat. Journal Economy and Currency Study (JECS), [S. l.], v. 1, n. 2, p. 44–55, 2021. DOI: 10.51178/jecs.v1i2.252. Disponível em: https://pusdikra-publishing.com/index.php/jecs/article/view/252. Acesso em: 3 sep. 2025.