Post date: Nov 18, 2015 2:23:40 AM
tones
a very good one - pinyin chart table
https://www.yoyochinese.com/chinese-learning-tools/Mandarin-Chinese-pronunciation-lesson/pinyin-chart-table
http://www.hackingchinese.com/how-to-learn-to-hear-the-tones-in-mandarin/
