Dynamical Systems with a Codimension-One Invariant Manifold: The Unfoldings and Its Bifurcations. - Kie Van Ivanky Saputra (Int. J. Bifurc. Chaos, 2015)

Forecasting Stock Price Index of Four Asian Countries During COVID-19 Pandemic Using ARMA-GARCH and RNN Methods. - Ferry Vincenttius Ferdinand; Kie Van Ivanky Saputra; Michelle; Johan Sebastian Edbert (IEEM, 2023)

Performance Comparison Between Facebook Prophet and SARIMA on Indonesian Stock. - Ferry Vincenttius Ferdinand; Terry Hilario Santoso; Kie Van Ivanky Saputra (IEEM, 2023)

Analysis of the Influence of Social Media Marketing on the Purchase Decisions of Consumers Using Structural Equation Modelling (SEM). - Ferry Vincenttius Ferdinand; Amadea Franstella Tanugerah; Kie Van Ivanky Saputra (IEEM, 2023)