(1)
Hardianto, I.; Wiryokusumo, I.; Walujo, D. A. Developing Non-Fiction Book on Animal Characteristics to Stimulate Cognitive Development of Early Childhood. Int J Innov Educ Res 2018, 6 (12), 255-268. https://doi.org/10.31686/ijier.vol6.iss12.1275.