Shurinov, Lev E., Ivan S. Petrushin, and Sergei I. Knizhin. “A Mobile Application to Demonstrate the Basic Concepts of Radio Electronics”. Computer Tools in Education, no. 1 (March 30, 2020): 49-57. Accessed April 26, 2024. http://cte.eltech.ru/ojs/index.php/kio/article/view/1637.