TY  - BOOK
AU  - Singal Asha Rani...(et.al).
TI  - Ganit: Madhyamik kakshaon ke liye, Bhag 2, Khand 2 (Kaksha 7th ki patthyapustak)
PY  - 1989///
CY  - Delhi, India
PB  - NCERT 
ER  -