The number of typhoons and tropical depressions in Vietnam (1954 to 1980)(Source: detailed design CAI MEP international port-towns of fabric, may 02, 2006)
S staining l UO ng storm and pressure th  p pediatric ệ t That i in Vi ệ Vietnam (1954 soles n 1980) (Source oh n: Thi ế t k ế chi ti ế t c she ng Qu stain c t ế Cai Mep - Thi ị V Arab i, May 02/2006)