1. NINGRUM TYAS SARI RATNA (Tyas Sari Ratna Ningrum)
Information acquired: 2025
NINGRUM TYAS SARI RATNA is an academic who is affiliated with Universitas 'Aisyiyah Yogyakarta and who published a paper in 2018 entitled Perbedaan pengaruh latihan active stretching,hold relax, dan contract relax terhadap peningkatan fleksibilitas togokpada adolescent ditinjau dari jenis kelamin.