Widyastuti, R., Purwaningsih, N. V., Samsudin, R. R., & Arimurti, A. R. R. (2020). Interpretation of external quality assurance results on liver function test. Journal of Natural Sciences and Mathematics Research, 6(2), 57–62. Retrieved from https://journal.walisongo.ac.id/index.php/JNSMR/article/view/11221