http://repository.uhamka.ac.id/id/eprint/14800/
RANCANG BANGUN ANTENA BIQUAD PADA FREKUENSI KERJA LTE (Long Term Evolution ) 710 MHz
Putra, Yonard Hanudry Subroto Putra
http://repository.uhamka.ac.id/id/eprint/14800/1/digital_6047-eSTE-2015003%20Yonard%20Hanudry%20Subroto%20Putra.pdf