Khairunnisak, K., & Muafi, M. (2019). Teacher training, family support, self-efficacy, and achievement motivation a case study of madrasah tsanawiyah Negeri Lubuk Pakam, Deli Serdang, North Sumatera, Indonesia. International Journal of Health Science and Technology, 1(1), 1–8. https://doi.org/10.31101/ijhst.v1i1.937