Handojo, Andreas, 		Wibowo, Adi, 		Irfanny, Monika Irfanny, 		Yustivani, Agnes, AND 		Valentine, Fenny.
" Aplikasi Search Engine Perpustakaan Petra Berbasis Android dengan Apache SOLR" <em>Jurnal Energi Dan Manufaktur</em> [Online], Volume 8 Number 2 (28 July 2016)