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- [1] The Backpack Weights of Primary School Students and Their Backpack Use Status: Do We Need to Worry about It? CROATIAN JOURNAL OF EDUCATION-HRVATSKI CASOPIS ZA ODGOJ I OBRAZOVANJE, 2019, 21 (03): : 1011 - 1027
- [3] Influence of the increasing weight of the backpack on the balance of movement to primary school students Chen, Wuyong (wuyong.chen@163.com), 2018, Inst. Nat. Cercetare-Dezvoltare Text. Pielarie (18): : 123 - 130