Jianfeng Ou (2023) “Research on the Professional Development Support System of Double-Qualified Teachers in Higher Vocational Colleges in the New Era—Taking Higher Vocational Colleges in Hunan Province as Samples”, Research and Advances in Education, 2(3), pp. 28–33. vailable at: https://www.paradigmpress.org/rae/article/view/533 (ccessed: 30 April 2025).