Dharmawan, Taufik Megy, et al. “PENGARUH INTERVENSI LUMBAR FLEXION EXERCISE & LUMBAR STABILIZATION EXERCISE TERHADAP KASUS SPONDYLOLISTHESIS POSTERIOR VERTEBRA LUMBAL GRADE I: A CASE STUDY”. Journal of Innovation Research and Knowledge, vol. 3, no. 2, July 2023, pp. 73-82, doi:10.53625/jirk.v3i2.6040.