Diversity of the genus Begonia (Begoniaceae) at the foothill of limestone hills in Bau, Padawan and Serian areas - Nabila, binti Satibi; Normalini, A.; Natasha, Z.; Said, Abas; Ipor, Isa B.; Hidir, M.; Shafiq, S.; Meekiong, K. (Universiti Malaysia Sarawak, (UNIMAS), 2012)