Thursday's poker guide discusses considerations on the river when seeking to take your opponent to "Valuetown."
"In the second article on the valuetown topic, the focus is on when you should bet the river. Your desire is to take your opponent to valuetown, squeezing out the maximum value you can from your hand. At the river, things are simpler in that there are no more cards to come. There are basically three areas of value."
The article can be found in the beginner guides sub section of poker guides area of the poker section in the sub tabs.