PENGARUH PEMBERIAN CORE STABILITY EXERCISE DAN MC.KENZIE EXERCISE TERHADAP PENURUNAN NYERI PADA PENDERITA NON-SPESIFIC LOW BACK PAIN : (LITERATURE REVIEW) / NURUL HIKMAH FADHILAH text Makassar : Poltekkes Kemenkes Makassar, 2021 ind NON-SPESIFIC LOW BACK PAIN