10. VDB/Loi. “An introduction to effective construction contracting.” Posted on 15 August 2013. Accessed on 25 February 2016. http://www.vdb-loi.com/cambodia-tax-and-legal/an-introduction-to-effective-construction-contracting/
10. VDB/Loi. “សេចក្តីណែនាំទៅកាន់កិច្ចព្រមព្រៀងសំណង់ឱ្យមានប្រសិទ្ធិភាព” ១៥ សីហា ឆ្នាំ២០១៣។ ចូលអាន ២៥ កុម្ភៈ ២០១៦។http://www.vdb-loi.com/cambodia-tax-and-legal/an-introduction-to-effective-construction-contracting/