Ramadhany, D., Wulandari, N. and Nurhayati, N. (2025) “Implementation and Evaluation of Preventive Maintenance Strategies for Digital X-Ray and Ultrasonography Systems in a Secondary Healthcare Hospital”, Jurnal Riset Teknik Fisika, 1(2), pp. 66–70. doi: 10.22373/juritika.v1i2.9318.