เจ้านี้ก็เขาบ่อยนะใครเคิยตามบางลงแล้วงวด16/6/62
How much should you tip your guide on African wildlife safaris? This is a perennial question. The overwhelming majority of staff in the tourist industry in Africa rely on tips, whatever the country. To complicate things a bit, guides and trackers are usually tipped separately.
from: http://ezinearticles.com/?African-Wildlife-Safaris:-How-Much-Should-You-Tip-Your-Guide?&id=5998565
