Document Type : Original Article
Taherzadeh,E. (2018). coal. Encyclopedia of Economics, 1(1), 1-1.
Taherzadeh,E. . "coal", Encyclopedia of Economics, 1, 1, 2018, 1-1.
Taherzadeh E. (2018). 'coal', Encyclopedia of Economics, 1(1), pp. 1-1.
E. Taherzadeh, "coal," Encyclopedia of Economics, 1 1 (2018): 1-1,
Taherzadeh E. coal. Encyclopedia of Economics, 2018; 1(1): 1-1.