DADAN PRAYOGO; BERNADUS SADU; UTOMO WICAKSONO; FITRI GUNAWATI. ADDITION OF DEEP CROSS-FRICTION MASSAGE IS BETTER THAN SLOW STROKE BACK MASSAGE AFTER MCKENZIE EXERCISE TO IMPROVE FUNCTIONAL ABILITY AND WORK PRODUCTIVITY OF STONE BREAKERS WITH NON-SPECIFIC LOW BACK PAIN . International Journal of Social Science, [S. l.], v. 2, n. 2, p. 1483–1490, 2022. DOI: 10.53625/ijss.v2i2.3080. Disponível em: https://bajangjournal.com/index.php/IJSS/article/view/3080. Acesso em: 4 jul. 2025.