Hi Shirin,

Here's a Qing Wen lesson talking about measure word:

Qing Wen - Measure Word Fundamentals: 个，只，条，张

http://chinesepod.com/lessons/measure-word-fundamentals-%E4%B8%AA%EF%BC%8C%E5%8F%AA%EF%BC%8C%E6%9D%A1%EF%BC%8C%E5%BC%A0