1.
Nollmeyer GE, Kelting-Gibson L, Graves CJ. Mapping the Domain of Subject Area Integration: Elementary Educators’ Descriptions and Practices. IJLTER [Internet]. 2016 Aug. 30 [cited 2026 Aug. 5];15(9):1-27. Available from: http://www.ijlter.myres.net/index.php/ijlter/article/view/891