Yoshitake, K., Yoshitake, R., Urakawa, M. Factors contributing to the ''Joy to learn'' in Japanese elementary schools. София: 2021 30-53,.
Yoshitake, K., Yoshitake, R., Urakawa, M. Factors contributing to the ''Joy to learn'' in Japanese elementary schools. София: 2021 30-53,.
Yoshitake, K., Yoshitake, R., Urakawa, M. (2021) Factors contributing to the ''Joy to learn'' in Japanese elementary schools, София: 30-53,.
Yoshitake, K., Yoshitake, R., & Urakawa, M. (2021). Factors contributing to the ''Joy to learn'' in Japanese elementary schools. A comprehensive study using quantitative and qualitative analysis. София: 30-53.
Yoshitake K, Yoshitake R, Urakawa M. Factors contributing to the ''Joy to learn'' in Japanese elementary schools: A comprehensive study using quantitative and qualitative analysis. София: 2021. p. 30-53.