Putra, Y., 		Widnyana, M., & 		Saraswati, N.
2022 Mar 29.  Combination Intervention Mulligan’s  Sustained Natural Apophyseal Glides and Ultrasounds Better Than Combination Intervention Stretching And Ultrasounds For Increasing Functional Activity  Non-Specific Low Back Pain Patient. Sport and Fitness Journal. [Online] 10:1