Utami Putri Siregar, G., L. Rizka Amanda, W. Dirsam, and R. Sari Dewi. “Assessing the Validity and Reliability of a Questionnaire for Evaluating Pharmaceutical Services at a Hospital”. Journal Medical Informatics Technology, vol. 2, no. 2, June 2024, pp. 45-54, doi:10.37034/medinftech.v2i2.35.