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		Achmad, A., 		Jawi, I., 		Sugijanto, S., 		Ratna S, L., 		Iswari, I., & 		Adiartha G, I.
(2020).
 MCKENZIE NECK EXERCISE DAN FORWARD HEAD POSTURE EXERCISE DAPAT MENURUNKAN NYERI LEHER MEKANIK PADA PENGGUNA SMARTPHONE.
<em>Sport And Fitness Journal, 8</em>(2), 63-68.
doi:10.24843/spj.2020.v08.i02.p08