Bhaskararao, B.K creator text New Delhi Khanna Publishers 2008 monographic 375p. ; Petro Chemicals 661.8 BHA 8174090444 https://books.google.com.pk/books?id=6SO-uQEACAAJ&dq=a+textbook+on+petrochemicals+bhaskara+rao&hl=en&sa=X&redir_esc=y https://books.google.com.pk/books?id=6SO-uQEACAAJ&dq=a+textbook+on+petrochemicals+bhaskara+rao&hl=en&sa=X&redir_esc=y