杨尚君 - SERP Analysis

https://computer.haut.edu.cn/info/1373/22242.htm

https://baike.baidu.com/item/%E6%9D%A8%E5%B0%9A%E5%90%9B/57508251

https://search.books.com.tw/search/query/key/%E6%A5%8A%E5%B0%9A%E5%90%9B/cat/all/adv_author/1

https://www.facebook.com/nokeayang/

https://books.google.com/books/about/%E5%B0%8F%E6%A8%B1%E6%A1%83%E6%BC%AB%E7%94%BB.html?id=bZFaAAAACAAJ

https://cn.linkedin.com/in/%E5%B0%9A%E5%90%9B-%E6%9D%A8-674827106

https://books.google.com/books/about/%E5%B0%8F%E6%A8%B1%E6%A1%83%E6%BC%AB%E7%94%BB_%E9%BB%84%E6%98%9F%E5%8F%B7.html?id=Pqk8AAAACAAJ

https://www.amazon.ca/%E6%96%B0%E5%8D%8E%E4%B9%A6%E5%BA%97%E9%80%89%E8%B4%AD%E6%97%A0%E5%BF%A7-%E5%87%8F%E8%82%A5%E8%80%81%E5%B8%88-%E6%9D%A8%E5%B0%9A%E5%90%9B/dp/7517005448

https://www.researchgate.net/scientific-contributions/Yang-Shangjun-2297244579

https://www.linkedin.com/pub/dir/%E5%B0%9A%E5%90%9B/%E6%9D%A8