http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cuốn sách trình bày những bài tập từ cơ bản đến nâng cao của ngôn ngữ lập trình pascal như bài quân mã đi tuần, tìm hoán vị,...
Hoàng Trung Sơn (chủ biên); Hoàng Ngọc Bắc