00536nam a22001697a 4500 66922 66919 9789351116714 661.804SIN Singh, R. K. Petrochemical Production Process New Delhi: Random Pub, 2015. 286p. ; Petroleum chemicals Manufacturing processes Petroleum chemicals industry https://books.google.com.pk/books?id=O6sCkAEACAAJ&dq=petrochemical+production+process+singh&hl=en&sa=X&redir_esc=y BK 0 0 0 0 QUESTCL QUESTCL 2021-06-11 4170.00 0 661.804SIN (Shelf - 87F) 58567 2021-06-11 00:00:00 BK