Fajrul Falah, Sifak Indana, and Tukiran. “Validity and Practically of Learning Resources Flipbook Identification of Basidiomycota Mushrooms for Senior High School Students”. IJORER : International Journal of Recent Educational Research, Vol. 2, no. 6, Nov. 2021, pp. 709-20, doi:10.46245/ijorer.v2i6.174.