proceedings.kopertais4.or.id has indexed query results on various search engines, including Baidu indexed query, Google indexed query, Yahoo indexed query, Live indexed query, Youdao indexed query, Sogou indexed query, 163 indexed query, Soso indexed query, China search indexed query, Altavista indexed query, Alltheweb indexed query, etc. Anti link query results, PR queries, Sogourank queries, Alexa ranking queries on major search engines