tias, anggraeni and Nurlaksana eko, Nurlaksana eko and Haenilah, Een Yayah (2021) The Development of Ilustrated Book Based On the Environment as A Learning Source to Improve the Learning Outcomes of Fourth-Grade Student in Elementary School. IOSR Journal of Research & Method in Education (IOSR-JRME).

tias, anggraeni and Nurlaksana eko, Nurlaksana eko and Een Yayah Haenilah, EYH (2021) The Development of Ilustrated Book Based On the Environment as A Learning Source to Improve the Learning Outcomes of Fourth-Grade Student in Elementary School. IOSR Journal of Research & Method in Education (IOSR-JRME), 11 (1). pp. 30-35. ISSN 2320–7388