UJI VALIDITAS DAN RELIABILITAS ADAPTASI LINTAS BUDAYA MODIFIKASI NORTHWICK PARK NECK PAIN QUESTIONNAIRE VERSI INDONESIA PADA MECHANICAL NECK PAIN - Nugraha, Made Hendra Satria (Bachelor of Physiotherapy and Physiotherapy Profession Study Program, Faculty of Medicine, Udayana University in collaboration with Indonesian Physiotherapy Association (IPA), 2019)