By looking at the development and knowledge of children today about science, invention and innovation, especially in the field of science, it requires us to know the extent of the students' insights, knowledge and abilities in applying their knowledge of science.
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THE UTILIZATION OF WATER HYACINTH FIBER, RICE HUSK ASH, AND SIWALAN LEATHER FIBER AS A LIGHTWEIGHT, STRONG AND ANTI-RADIATION WALL COMPOSITE BRICK
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