Differences in physical fitness after an 8-week preseason training among elite football players aged 17–19 years
Journal of Exercise Rehabilitation. 2020;16(5):442-449 
Assessment of the Dietary Intake of High-Rank Professional Male Football Players during a Preseason Training Week
International Journal of Environmental Research and Public Health. 2020;17(22):8567
Sex Differences in Body Composition Changes after Preseason Training in Elite Handball Players
International Journal of Environmental Research and Public Health. 2020;17(11):3880
Hamstring injury occurrence in elite soccer players after preseason strength training with eccentric overload
Scandinavian Journal of Medicine & Science in Sports. 2003;13(4):244-250
Effects of 8-Week Orienteering Training on Physical Fitness Parameters among Adolescents Aged 14–18 Years
BioMed Research International. 2022;2022:1-9
Heart Rate Distribution and Aerobic Fitness Changes During Preseason in Elite Soccer Players
The 9th Conference of Biochemistry and Physiology of Exercise. 2019;
Tingkat kebugaran jasmani pemain sepakbola pada club tiram danau usia 16-19 tahun Bengkulu tengah
SPORT GYMNASTICS : Jurnal Ilmiah Pendidikan Jasmani. 2023;4(1):131-140
Physical and Physiological Characteristics of Elite Indian National Football Players
International Journal of Physical Education, Fitness and Sports. 2013;2(3):12-21
Physical characteristics of elite youth male football players aged 13–15 are based upon biological maturity
PeerJ. 2022;10:e13282
Effect of Game-based Training on Selected Physical Fitness Qualities among U-17 Male Volleyball Players in Injibara, Ethiopia
. 2022;