Ispandi Manurung, Khairunnisa, Isnaida,. 2021. “Pengaruh Model Pembelajaran Learning By Doing Terhadap Kemampuan Penalaran Siswa Di SMKS-PP Putra Jaya Jabal Rahmah Stabat”. Journal Economy and Currency Study (JECS) 1 (2):44-55. https://doi.org/10.51178/jecs.v1i2.252.