Gerhanawati, I. 2021. PENGARUH KNEE TO CHEST DAN PELVIC TILTING EXERCISE TERHADAP FLEKSIBILITAS PUNGGUNG BAWAH PADA PEKERJA ADMINISTRASI DALAM AKTIVITAS DUDUK LAMA: The Effects of Knee-To-Chest and Pelvic Tilting Exercise on Lower Back Flexibility of Administrative Officers Who Sit for A Long Period . Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing). 7, 2 (Oct. 2021), 195-203. DOI:https://doi.org/10.33023/jikep.v7i2.763.