Links
[1] http://www.prflaos.org/library/iec-materials-and-tools/manuals/%E0%BA%84%E0%BA%B9%E0%BB%88%E0%BA%A1%E0%BA%B7-%E0%BA%81%E0%BA%B2%E0%BA%99%E0%BA%88%E0%BA%B1%E0%BA%94%E0%BA%8A%E0%BA%B7%E0%BA%88%E0%BA%B1%E0%BA%94%E0%BA%88%E0%BB%89%E0%BA%B2%E0%BA%87-%E0%BB%82%E0%BA%94%E0%BA%8D-%E0%BA%8A%E0%BA%B8%E0%BA%A1%E0%BA%8A%E0%BA%BB%E0%BA%99
[2] http://www.prflaos.org/sites/default/files/Library%20Items/files/613/eng/Final%20Community%20Procurement%20Manual_English%20Version_24%20Sep%202013.doc