Lee G-G, Choi M, An T, Mun S, Hong H-G. Development of the Hands-free AI Speaker System Supporting Hands-on Science Laboratory Class: A Rapid Prototyping . Int. J. Emerg. Technol. Learn. [Internet]. 2023 Jan. 10 [cited 2024 Apr. 23];18(01):pp. 115-136. Available from: https://online-journals.org/index.php/i-jet/article/view/34843