TY  - BOOK
AU  - Lee, Hee Soo.
TI  - Sleeping habits of SIS fourth year high school students school year 1997-1998
AV  - PHS RA 786 .L44 1998
PY  - 1998///
CY  - Las Piñas City, Philippines
PB  - Southville International School and Colleges
KW  - Sleep
KW  - Health aspects
KW  - Philippines
KW  - Adolescents
ER  -