| 1 |  | An investigation into assessment criteria of the content context and forms of extracurricular sports activities for students at secondary schools in Tay Ninh province, Vietnam / Nguyen Thanh Tuan, Duong Ngoc Truong, Nguyen Quang Son . - Romania : European journal of physical education and sport science, 2021 Certificate of publication and certifies the publication of the research paper entitled an investigation into assessment criteria of the contecular sports activities for students at secondary schools in Tay Ninh provinint context and forms of extracurrce, Vietnam Volume 7, issue 5, 2021, tr. 95-102, |