visually-impaired students in Thailand They have a lot of demands for teaching materials. They have a huge shortage of media, not just in maths, media in other subjects. They need a tangible medium. The media can explain to them to understand and replace learning for them with the use of the remaining touches. The media must also be able to describe abstract content in understandable form. The media must be able to review the lesson spontaneously. Braille characters and sounds If those who read this research are interested in producing visually-impaired students, researchers should have a training ground in a school for the blind to mingle with teachers and visually-impaired students to know the weaknesses and strengths of media use, to create information to create other materials that are actually used, since learning visually-impaired students has many limitations and requirements that need to be studied seriously and know the truth, so that they can produce good and quality media, etc.
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