Sinaga, E. 2022. Pengaruh Respon Time dan SOP terhadap implementasi code blue system di Ruang Rawat Inap RSU Mitra Sejati Medan. JOURNAL HEALTH OF EDUCATION. 4, 1 (Apr. 2022). DOI:https://doi.org/https://doi.org/10.62611/jhe.v4i1.62.