The research purposes to (1) produce atomic model tactual props and material guidance of atomic model for blind student on eight grade. (2) know quality of atomic model tactual props and material guidance of atomic model for blind student on eight grade. (3) know student response toward atomic model tactual props and material guidance of atomic model for blind student on eight grade. ... https://parisnaturalfoodes.shop/product-category/org-aloe-vera-juice-inner-fillet/