Sukartini, Tintin, Lailatun Ni’mah, and Risma Wahyuningtyas. 2020. “Gambaran Kejadian Low Back Pain Pada Pengendara Motor Ojek Online Di Surabaya”. Critical Medical and Surgical Nursing Journal (CMSNJ) 8 (2):85-95. https://doi.org/10.20473/cmsnj.v8i2.18619.