Time-to-digital converter (TDC) for WiMAX ADPLL in 40-nm CMOS. - Popong Effendrik; Wenlong Jiang; Marcel van de Gevel; Frank Verwaal; Robert Bogdan Staszewski (ECCTD, 2011)

Design of ADPLL system for WiMAX applications in 40-nm CMOS. - Wenlong Jiang; Armin Tavakol; Popong Effendrik; Marcel van de Gevel; Frank Verwaal; Robert Bogdan Staszewski (ICECS, 2012)

Itsy-Bitsy Risky URL: A User Behavior. - Ari Kusyanti; Nurudin Santoso; Popong Effendrik; Harin Puspa Ayu Catherina; Anggi Dewi Eka Pertiwi (SIET, 2023)