Anik Maryani, Fahmy Fachrezzy and Ramdan Pelana 2021. The Effectiveness of Mix Impact Aerobic Gymnastics Exercises With SKJ 2000 On Improvement of Physical Freshness. Gladi : Jurnal Ilmu Keolahragaan. 12, 03 (Jul. 2021), 39 - 44. DOI:https://doi.org/10.21009/GJIK.123.06.