Nugroho, Sigit, Yudik Prasetyo, Sulistiyono Sulistiyono, and Dewi Nurhidayah. 2026. “Global Research Trends in Nature-Based Physical Activity and Outdoor Recreation for Adolescents (2001–2026): A Bibliometric Analysis With Qualitative Synthesis”. Pedagogy of Physical Culture and Sports 30 (5):440-58. https://doi.org/10.15561/26649837.2026.0503.