PURNAMASARI, Ika; SAIFUDIN , Toha; WAHYUNINGSIH, Sri; MARDIANTO, M. Fariz Fadillah. Stock Price Modelling of Ciputra Development Tbk. (CTRA) Using Fourier Series. Journal of Applied Informatics and Computing, [S. l.], v. 10, n. 3, p. 2997–3004, 2026. DOI: 10.30871/jaic.v10i3.13093. Disponível em: https://jurnal.polibatam.ac.id/index.php/JAIC/article/view/13093. Acesso em: 14 sep. 2026.