User talk:202.69.11.206

February 2018
Hello, I'm Travelbird. An edit that you recently made to Systems theory seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Travelbird (talk) 06:08, 25 February 2018 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.