TAN, Qinyi, ZHANG, Simeng and TENG, Luyan. The temporal characteristics of online interest in after-school services: An Analysis of Baidu Index Data. Pedagogy and Psychology of Sport. Online. 20 August 2025. Vol. 24, p. 64298. [Accessed 13 December 2025]. DOI 10.12775/PPS.2025.24.64298.