TY  - BOOK
AU  - Popper, Karl
TI  - Two fundamental problems of the theory of knowledge
U1  - 121 P817T 
PY  - 2013///
CY  - London
PB  - Routledge
N1  - 3420 28/01/2019 APD17/1049491 23/02/2017 Ch. Ranbir Singh Institute of Social and
ER  -