On the spectrum of nested G-designs, where G has four non-isolated vertices or less. - Lucia Gionfriddo (Australas. J Comb., 2001)

Extremal gaps in BP3-designs. - Lucia Gionfriddo (Comput. Sci. J. Moldova, 2001)

A conjecture of Berge about linear hypergraphs and Steiner systems S(2, 4, v). - Lucia Gionfriddo (Discret. Math., 2002)

Voloshin's colourings of P3-designs. - Lucia Gionfriddo (Discret. Math., 2004)

Nesting kite and 4-cycle systems. - Lucia Gionfriddo; Charles C. Lindner (Australas. J Comb., 2005)

Hexagon biquadrangle systems. - Lucia Gionfriddo (Australas. J Comb., 2006)

Hexagon quadrangle systems. - Lucia Gionfriddo (Discret. Math., 2008)

Hexagon kite systems. - Lucia Gionfriddo (Discret. Math., 2009)

Perfect dodecagon quadrangle systems. - Lucia Gionfriddo; Mario Gionfriddo (Discret. Math., 2010)

Equitable specialized block-colourings for 4-cycle systems - I. - Lucia Gionfriddo; Mario Gionfriddo; Giorgio Ragusa (Discret. Math., 2010)

Drop Cost and Wavelength Optimal Two-Period Grooming with Ratio 4. - Jean-Claude Bermond; Charles J. Colbourn; Lucia Gionfriddo; Gaetano Quattrocchi; Ignasi Sau (SIAM J. Discret. Math., 2010)