Persepsi beneficiaries program corporate social responsibility 'bakti BCA' tentang dimensi ekonomi, sosial dan lingkungan di PT. Bank BCA Tbk ( studi pada pemagangan bakti BCA) = Perceptions of beneficiaries bakti BCA apprenticeship program on CSR dimension at PT. Bank BCA, Tbk (study on BCS's training and apprenticeship program) / Tyan Hanriarseto