State-of-the-art catalysts for clean fuel (methyl esters) production—a comprehensive review oleh Farrukh Jamil, Muhammad Saleem, Obaid Ali Qamar, M Shahzad Khurram, Ala’a H Al-Muhtaseb, Abrar Inayat, Parveen Akhter, Murid Hussain, Sikander Rafiq, Hyunji Yim, Young-Kwon Park