Zahroh, C., Khamida, K., & Rokhman Saleh, N. (2018). PENGARUH ISLAMIC PROGRESSIVE MUSCLE RELAXATION (IPMR) TERHADAP PENURUNAN KADAR KORTISOL PASIEN PRE OPERASI DI RUANG AZZAHRA 2 RSI JEMURSARI SURABAYA. Journal of Health Sciences, 11(1). https://doi.org/10.33086/jhs.v11i1.119