The Organization of Intellectual Work in School. Montessori, M. Journal of Proceedings and Addresses of the Annual Meeting of the National Education Association, 53:717–722, 1915.
The Organization of Intellectual Work in School [link]Paper  bibtex   
@article{montessori_organization_1915,
	title = {The {Organization} of {Intellectual} {Work} in {School}},
	volume = {53},
	copyright = {Public Domain},
	url = {https://hdl.handle.net/2027/uc1.a0004282620?urlappend=%3Bseq=733},
	language = {eng},
	journal = {Journal of Proceedings and Addresses of the Annual Meeting of the National Education Association},
	author = {Montessori, Maria},
	year = {1915},
	pages = {717--722}
}

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