Hubungan antara dukungan sosial dan sikap terhadap perilaku mencari bantuan psikologis dari profesional pada caregiver dari lansia di Jakarta = The correlation between social support and attitude towards seeking professional psychological help among caregiver of the eldery in Jakarta / Hans Aditya Kusnadi - Hans Aditya Kusnadi, author (Fakultas Psikologi Universitas Indonesia, 2014)