On the rainbow connection number of graphs. - Gideon Dror; Arieh Lev; Yehuda Roditty; Romina Zigdon (Ars Comb., 2017)

Insights and Observations on Teaching the Intermediate Value Theorem. - Iris Gaber; Arieh Lev; Romina Zigdon (Am. Math. Mon., 2019)

$r$-Critical Numbers of Natural Intervals. - Marcel Herzog; Gil Kaplan; Arieh Lev; Romina Zigdon (Electron. J. Comb., 2021)