Siregar, Seftian Eldin. “THE EFFECT OF STANDING PRESS AND STANDING INCLINE PRESS EXERCISE USING RUBBER ON THE RESULTS OF 50 METER SWIMMING BREAST FORCE IN BOY ATHLETES AGED 12-14 YEARS OF SPACE LABUHAN BATU SWIMMING CLUB 2020”. Journal Physical Health Recreation (JPHR), vol. 1, no. 2, June 2021, pp. 107-16, doi:10.55081/jphr.v1i2.278.