Aditya Raka Fahri, Siwi Hastuti and Bangkit Riska Permata 2026. Predictors Of Antihypertensive Drug (AHD) Therapy Failure Among Elderly Patients At Sangkrah Public Health Center, Surakarta. International Journal of Health Engineering and Technology. 4, 6 (Mar. 2026). DOI:https://doi.org/10.55227/ijhet.v4i6.686.