Ramadanti, Z.P. et al. 2025. The Effect Of Ladder Drill Training On Movement Mobility Of 14–16 Year-Old Tennis Athletes At Ace Tennis Club Lampung. Jurnal Pendidikan Jasmani (JPJ). 6, 2 (Oct. 2025), 424–435. DOI:https://doi.org/10.55081/jpj.v6i2.4439.