tri sakti wijayana, wijayana and Herpratiwi, Herpratiwi and budi koestoro, Koestoro Developingrealia Media Based Matemathics Work Sheet To Improve The Outcomes of Learning Algebra of Students Grade VII. IOSR Journal of Research & Method in Education (IOSR-JRME), 8 (3). pp. 72-78. ISSN 2320–7388

tri sakti wijayana, wijayana and Herpratiwi, Herpratiwi and Budi Koestoro, Budi Developingrealia Media Based Mathematics Work Sheet To Improve The Outcomes of Learning Algebra of Students Grade VII. http://www.iosrjournals.org.