http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung số này trình bày: ý kiến, gặp gỡ, ghi nhận, nhực ký trực tin; kinh doanh; thị trường, giáo dục; giao thương; Nông thôn - Nông nghiệp; Kinh tế thế giới;..
Sở Thương mại Thành phố Hồ Chí Minh