Paluwih, Natya Ayu, et al. “THE DIFFERENCE OF PAIN SCALE USING NUMERIC RATING SCALE AND VISUAL ANALOG SCALE IN POST-OPERATIVE PATIENTS”. Nursing Current: Jurnal Keperawatan, vol. 7, no. 1, Dec. 2019, pp. 52-59, doi:10.19166/nc.v7i1.2224.