http://dewey.info/scheme/a14/ en
371.9 Special education
371.92 Students with mental disabilities
http://dewey.info/scheme/a14/ vi
371.9 Giáo dục đặc biệt
371.92 Học sinh và sinh viên thiểu năng trí tuệ
http://dewey.info/scheme/a14/ it
371.9 Educazione speciale
371.92 Studenti con menomazioni mentali
http://dewey.info/scheme/edition/e23/ en
371.9 Special education
371.92 Students with mental disabilities
371.926 Students with moderate mental disabilities 371.928 Students with severe mental disabilities
Dewey Decimal Classification
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