TY  - BOOK
AU  - Hafeez, Sumaira
AU  - Supervisor: Dr. Rashid Farooq
TI  - Energy of graphs and signed digraphs
U1  - 200 
PY  - 2020///
CY  - Islamabad
PB  - SNS NUST
KW  - PhD-Mathematics
UR  -  http://10.250.8.41:8080/xmlui/handle/123456789/22272
ER  -