Mujib Hannan et al. 2025. Sand based on Transcultural Nursing as a Non-Pharmacological Therapy to Increase Β-Endorphin Levels and Reduce Pain Osteoarthritis in Coastal Elderly. Journal Of Nursing Practice. 8, 3 (Apr. 2025), 542–549. DOI:https://doi.org/10.30994/jnp.v8i3.666.