ປື້ມຄູ່ມືກ່ອນການຈັດຕັ້ງປະຕິບັດໂຄງການຍ່ອຍ ຂົວ [1]

Links:
[1] https://prflaos.org/test/library/iec-materials-and-tools/manuals/%E0%BA%9B%E0%BA%B7%E0%BB%89%E0%BA%A1%E0%BA%84%E0%BA%B9%E0%BB%88%E0%BA%A1%E0%BA%B7%E0%BA%81%E0%BB%88%E0%BA%AD%E0%BA%99%E0%BA%81%E0%BA%B2%E0%BA%99%E0%BA%88%E0%BA%B1%E0%BA%94%E0%BA%95%E0%BA%B1%E0%BB%89%E0%BA%87%E0%BA%9B%E0%BA%B0%E0%BA%95%E0%BA%B4%E0%BA%9A%E0%BA%B1%E0%BA%94%E0%BB%82%E0%BA%84%E0%BA%87%E0%BA%81%E0%BA%B2%E0%BA%99%E0%BA%8D%E0%BB%88-1
[2] https://prflaos.org/test/sites/default/files/Library%20Items/files/828/lao//Bridge%20Implementation%20manual1_Final.pdf
[3] https://prflaos.org/test/engineering-category/manual-textbook-guideline
[4] https://prflaos.org/test/engineering-category/construction-manual