na INLIS000000000001376 20140109112805 180129||||||||| | ||| |||| || | 978-979-415-074-0 0010-011400000001376 id 155.5 155.5 GUN p Gunarsa, Y. Singgih D. Psikologi Remaja Cet.16 Jakarta Gunung Mulia 2007 iv,148 hal.;2007 PSIKOLOGI Gunarsa, Singgih D.