Sam has highly recommended as an excellent Cambodia Siem Reap Angkor Wat driver/guide in http://tripadvisor.com/, traveller's forums and other travel blogs.

Here are some of client's reports and visitors reviews about his services that they are linked as below :

http://www.tripadvisor.co.uk/Travel-g297390-c107585/Siem-Reap:Cambodia:Guides.html

http://www.tripadvisor.com/ShowUserReviews-g297390-d668993-r29296898-Viroth_s_Hotel-Siem_Reap.html

http://www.tripadvisor.com/ShowUserReviews-g297390-d668993-r24697482-Viroth_s_Hotel-Siem_Reap.html

http://www.tripadvisor.com/ShowUserReviews-g297390-d301599-r8086218-Raffles_Grand_Hotel_d_Angkor-Siem_Reap.html

http://limfong.wordpress.com/2009/03/10/siem-reap-101-transportation/

http://johnny-lim.blogspot.com/2008/08/magnificent-siem-reap-cambodia-part-i.html

http://wikitravel.org/en/User:Sam_Pho

http://whitelionat2003.blogspot.com/2009/11/my-trip-to-siem-reap-and-angkor.html

http://www.ourexplorer.com/tour-guide-sampho-harry-2294.aspx

http://clikclub.forumotion.com/travel-f24/magnificent-siem-reap-cambodia-t752.htm

http://www.facebook.com/sampho.lim#!/sampho.lim?ref=profile

http://www.localyte.com/services/10569--Cambodia----Siem+Reap--Siem-Reap-Tour-Services--Angkor-Wat-Driver--Guide--Tour-Packges-?svcPriceID=11235&?gwoconv=0380490723&PHPSESSID=7a3f7bb6f2c6cc7fd422aaddbe5d82bb

http://www.blogger.com/profile/16479213567065476546

http://www.beoglobe.com/p/guide-en-577-cambodia-Angkor-English-Chinese.html

http://www.jjguides.com/big%20flags/Asia/cambodia.htm

http://www.cambodiafriends.com/page2.php?SessionID=51de51b4b95e880270ac

http://www.mytikas.org/portal/viewtopic.php?t=1905

http://www.tript.com/site/Angkor_Archaeological_Park

http://hk.myblog.yahoo.com/watsnake/article?mid=12144&fid=-1&action=prev

http://hk.myblog.yahoo.com/sue-tsang/article?mid=4424