na INLIS000000000000435 ind 0010-0724000435 Memberdayakan Potensi Kaum Muda Sugiyarto Sugiyarto Yogyakarta : Cempaka Putih 2010 116 hlm. 978-979-662-470-6 155.2 SUG m 155 Psikologi Individu P29/CP/24/435 P29/CP/24/435.1