N. Z. P. Irawan, M. Muhaimin, and K. Merdekawati, “The Application of 5E Learning Cycle Model Towards Students Learning Activities on Salt Hydrolysis Subject Material in Grade XI SMAN 1 Pakem Academic Year 2019/2020”, Int. J. Chem. Educ. Res., vol. 5, no. 2, pp. 55–61, Oct. 2021.