The Ramsey numbers for disjoint unions of trees. - Edy Tri Baskoro; Hasmawati; Hilda Assiyatun (Discret. Math., 2006)

Ramsey Numbers on a Union of Identical Stars Versus a Small Cycle. - Hasmawati; Hilda Assiyatun; Edy Tri Baskoro; A. N. M. Salman (KyotoCGGT, 2007)

The Ramsey numbers for disjoint unions of graphs. - Hasmawati; Edy Tri Baskoro; Hilda Assiyatun (Discret. Math., 2008)