Ayu Tika Sari, Lavrida, Yudho Taruno Muryanto, and Anjar Sri Ciptorukmi. 2024. “The Legal Certainty Of Waarmerking In Notarized Sale And Purchase Agreements: A Case Analysis Of Civil Proceedings (Case Research: District Court Decision No. 354/PDT.G/2019/PN.SDA)”. International Journal of Educational Research &Amp; Social Sciences 5 (2):351-55. https://doi.org/10.51601/ijersc.v5i2.789.