Porjafari, M. R. (1994). The sun is the best alternative energy. Sharif Journal of Mechanical Engineering, 10(No . 8), 59–61.
Porjafari, M. R. "The sun is the best alternative energy", Sharif Journal of Mechanical Engineering, 10, No . 8, 1994, 59–61.
Porjafari, M. R. (1994). 'The sun is the best alternative energy', Sharif Journal of Mechanical Engineering, 10(No . 8), pp. 59–61.
Porjafari, M. R., "The sun is the best alternative energy." Sharif Journal of Mechanical Engineering, 10 No . 8 (1994): 59–61,
Porjafari M. R. The sun is the best alternative energy. Sharif Journal of Mechanical Engineering. 1994;10(No . 8):59–61 (In Persian).
