Nico
Recreational vehicle (RV) sebagai tempat bertinggal berjalan = Recreational vehicle (RV) as mobile dwelling/ Nico
2014
 UI - Skripsi Membership
Erlangga Lutfi Ramadino
Rancang bangun sistem cruise control sepeda = Design of bike cruise control system
2018
 UI - Skripsi Membership
Recreational use of wild lands / C. Frank Brockman..[et al.]
McGraw-Hill, 1979
 Buku Teks SO
Widdyharto
Sistem sepeda listrik berbasis mikrokontroler = Microcontroller-based system for electrical bike
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2010
 UI - Skripsi Open
Ferry Hartanto
Perancangan dan pembuatan prototipe JIG untuk proses pembuatan sepeda lipat student version = Design and manufacturing of jig prototipe for folding bike-student version
Fakultas Teknik Universitas Indonesia, 2010
 UI - Skripsi Open