Ahyana, Ahyana, Irfanita Nurhidayah, Riski Amalia, & Anda Kamal. " CORRELATION BETWEEN DURATION AND SITTING POSITION WITH THE INCIDENCE OF LOWER BACK PAIN DURING ONLINE LEARNING." E-Jurnal Medika Udayana [Online], 12.11 (2023): 11-15. Web. 8 Feb. 2025