Discrete time GI/Geom/1 queueing system with priority. - Sokol Ndreca; Benedetto Scoppola (Eur. J. Oper. Res., 2008)

Queueing systems with pre-scheduled random arrivals. - Gianluca Guadagni; Sokol Ndreca; Benedetto Scoppola (Math. Methods Oper. Res., 2011)

Improved bounds on coloring of graphs. - Sokol Ndreca; Aldo Procacci; Benedetto Scoppola (Eur. J. Comb., 2012)

A-priori upper bounds for the set covering problem. - Giovanni Felici; Sokol Ndreca; Aldo Procacci; Benedetto Scoppola (Ann. Oper. Res., 2016)

Asymptotics for the late arrivals problem. - Carlo Lancia; Gianluca Guadagni; Sokol Ndreca; Benedetto Scoppola (Math. Methods Oper. Res., 2018)