共 17 条
[1]
American Foundation for the Blind, TIPS MAK PRINT MOR R
[2]
Canadian National Institute for the Blind, CLEAR PRINT ACC GUID
[3]
Colenbrander A., 2018, LEA NUMBERS CHART VI
[4]
Council of Citizens with Low Vision International, BEST PRACT GUID LARG
[6]
Driscoll D., 2007, Ecological and Environmental Anthropology, V3, P19, DOI DOI 10.3126/RNJDS.V1I2.22432
[7]
Good-Lite Company, 2018, LEA NUMB LOW CONTR T
[9]
Kitchel J. E., APH AM PRINTING HOUS
[10]
Mansfield JS, 1996, INVEST OPHTH VIS SCI, V37, P1492