Giuseppe Bulgarini d’Elci and Gianluca Francioli co-wrote the article “Le parti possono determinare la durata del preavviso in deroga del Ccnl” (The parties may determine the length of notice departing from the national collective bargaining agreement) published in Guida al Lavoro, No 15, April 10, 2015, a prestigious weekly guide on labour law and human resources issues edited by the daily paper il Sole24Ore.