Taylor, Griffith
Methuen, 1957
Buku Teks
Taylor, Griffith
Methuen, 1957
Buku Teks
edited by Peter Murray and Mary Anne Stevents
Prestel, 1998
Buku Teks
Coase, R.H.
Longmans Green, 1950
Buku Teks
Supattra Silapabanleng
Thammasat University, 2018
Artikel Jurnal