“Developmental Trajectories of Spatial Skills and Their Predictive Role in Early Mathematics Achievement: A Longitudinal, Person-Centered Study of Diverse Learners Aged 3 to 7”. Frontiers in Computational Spatial Intelligence, vol. 1, no. 2, Sept. 2023, pp. 48-56, https://journal.xdgen.com/index.php/FCSI/article/view/296.