TY  - BOOK
AU  - National Book Trust
AU  - 
TI  - Hayatiyat : (Model Scholong Key Liyeh Science)
U1  - U371.320439 23rd ed.
PY  - 1975///
CY  - New Delhi
PB  - National Book Trust
KW  - Hayatiyat
KW  - Biology Textbook Urdu
KW  - For Model schools
ER  -