Nurdini, N., A. Suhandi, N. J. Fratiwi, A. Samsudin, T. R. Ramalis, and S. Feranie. “E-CDCCText Development: An Instructional Material for Facilitating Conceptual Change in Fluid Concepts”. Journal of Natural Science and Integration, vol. 8, no. 1, Apr. 2025, pp. 93-110, doi:10.24014/jnsi.v8i1.32928.