TY  - BOOK
AU  - KORN,Jerry
AU  - J.M.Soebijanta
AU  - Willie Koen dan Lie Phil
TI  - Lingkungan Masyarakat: = The Community
U1  - 150.03 
PY  - 1990///
CY  - Jakarta
PB  - Tira Pustaka 
KW  - 0
KW  - Grade 7-9
ER  -