TY  - BOOK
AU  - Paulson Tham
TI  - Krishiyile Prakrithi Niyamangal (Malayalam)
SN  - 978-81-7638-023--2
U1  - 630 THA/KR 
PY  - 2011///
CY  - Thiruvananthapuram
PB  - Kerala Bhasha Institute
ER  -