31.3 ยุทธศาสตร์ บ้านกรวด
31-3-%e0%b8%a2%e0%b8%b8%e0%b8%97%e0%b8%98%e0%b8%a8%e0%b8%b2%e0%b8%aa%e0%b8%95%e0%b8%a3%e0%b9%8c-%e0%b8%9a%e0%b9%89%e0%b8%b2%e0%b8%99%e0%b8%81%e0%b8%a3%e0%b8%a7%e0%b8%94