H. M. Manurung and J. A. Simaremare, “Development of Interactive Organic Chemistry E-Module Using Macromedia Flash Improves Concept Mastery”, Int. J. Multidiscip. Appl. Bus. Edu. Res., vol. 3, no. 10, pp. 2132–2141, Oct. 2022, doi: 10.11594/ijmaber.03.10.25.