**Wonseok Choi and Wonjae Jeon**

A Study on the Subjectivity of Parents Regarding "0th-Period Physical Education Class" of Middle Schools in Korea Using Q-Methodology

Reprinted from: *Int. J. Environ. Res. Public Health* **2022**, *19*, 7760, doi:10.3390/ijerph19137760 . . . **67**
