Riyanto, Bambang, AND 		Rofii, Ahmad.
"АNАLІSІS PЕNGАRUH PЕNАMBАHАN SІSTЕM PЕLАCАK MАTАHАRІ DАN LЕNSА FRЕSNЕL TЕRHАDАP DАYА KЕLUАRАN PАDА PАNЕL SURYА" <em>Jurnal Kajian Teknik Elektro</em> [Online], Volume 4 Number 2 (7 February 2020)