WIDIYANTI, Y.; ARUM, J.; SUKENTI, E.; ALFIDAYANI, A.; HERAWATI, D. Impelemtation of Lesson Study Based STEM Learning to Stidents’ Creativity and Concept Mastery Through Joint Project. Journal of Learning Improvement and Lesson Study, v. 2, n. 1, p. 46-52, 20 abr. 2022.