Gaya APA
Yuanfang, S. (2026).
Physical fitness training model for middle-ages 45 to 55 years old .
Jakarta:
Prodi Doktor Pendidikan Jasmani SPS UNJ.
Gaya MLA
Yuanfang, Shang.
"Physical fitness training model for middle-ages 45 to 55 years old".
Jakarta:
Prodi Doktor Pendidikan Jasmani SPS UNJ,
2026.
Text.