Marniati, Sri Misleini and Zuidah 2021. The Influence Of Pre-Operative Health Education To The Self-Concept Improvement On Femoral Fracture Patientsat Haji Medan Hospital Of North SumateraGovernment In 2021. International Journal of Science, Technology & Management. 2, 5 (Sep. 2021), 1566-1573. DOI:https://doi.org/10.46729/ijstm.v2i5.306.