@incollection{Mandal19, author = {Pradip Chandra Mandal}, title = {Nickel Tetraphenylporphine Extraction from Model Heavy Oil Using Ionic Liquids}, booktitle = {Processing of Heavy Crude Oils}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Ramasamy Marappa Gounder}, chapter = {12}, doi = {10.5772/intechopen.86438}, url = {https://doi.org/10.5772/intechopen.86438} }