The dissertation defense was held on January 5th, 2023. The promovenda was Lisnani. She raised a research topic entitled the “Development of a Web-Based Realistic Mathematics learning Environment in Elementary Schools”. Lisnani was supervised by a promotor team consisting of Prof. Dr. Ratu Ilma Indra Putri, M.Sc., Prof. Dr. Zulkardi , M.Ikom., M.Sc., and Associate Prof. Dr. Somakim, M.Pd.
Lisnani had to convince the examiner team which consisted of one external examiner namely Prof. Dr. Budi Nurani Ruchjana, MS from Padjadjaran University and 2 internal examiners namely Assoc. Prof. Dr. Darmawijoyo, M.Sc. and Dr. Ely Susanti, M.Pd.
