Olyverdi, Reza, et al. “BEDA PENGARUH ISOMETRIC HANDGRIP EXERCISE DAN SLOW DEEP BREATHING EXERCISE TERHADAP TEKANAN DARAH LANSIA HIPERTENSI DI PUSKESMAS PANGKALAN”. Physio Move Journal, vol. 2, no. 1, July 2023, pp. 1-9, https://ojs.ufdk.ac.id/index.php/pmj/article/view/2453.