TY  - BOOK
AU  - Avşar,Lamia
AU  - Tayyar,İsmail
TI  - Science 3
AV  - Q181.A2 A93 1989
PY  - 1989///
CY  - İstanbul
PB  - Taş Kitapçılık
KW  - Science
KW  - Study and teaching (secondary)
N1  - Includes bibliographical references and index
ER  -