Introduction of IRRDB/81 germplasm early observations - van Hong Ngo; Ha Vo Thu; Hoa Tran Thuy; Quoc Ngo Trong; van Lam Lai (Hevea 88: IRRDB, 2 August to 7 November 1988, Paris. pp.613-624.)
Keywords: Gene pool; Genotype; Germplasm; IRRDB/81