NADIR, Z.; TOUATI, F. Class-E Amplifier Design Improvements for GSM Frequencies. The Journal of Engineering Research [TJER], [S. l.], v. 8, n. 1, p. 74–82, 2011. DOI: 10.24200/tjer.vol8iss1pp74-82. Disponível em: https://journals.squ.edu.om/index.php/tjer/article/view/94. Acesso em: 20 apr. 2024.