Rosdiana, Rosdiana, and M. Habibi Yusup. “The Relationship of Knowledge and Attitude With Utilization of Baharu River Water in Kelambir Village, Hamparan Perak District, Deli Serdang Regency”. Journal La Medihealtico 3, no. 1 (March 31, 2022): 79-87. Accessed April 18, 2026. https://newinera.com/index.php/JournalLaMedihealtico/article/view/588.