Ph\u1ea7n 2 – Ch\u01b0\u01a1ng 4 – B\u00e0i 23: Kh\u00f4i ph\u1ee5c v\u00e0 ph\u00e1t tri\u1ec3n kinh t\u1ebf- x\u00e3 h\u1ed9i mi\u1ec1n B\u1eafc- Gi\u1ea3i ph\u00f3ng ho\u00e0n to\u00e0n mi\u1ec1n nam (1973-1975) (ph\u1ea7n 1)<\/a><\/blockquote><\/iframe>