41
42
43
by Legg, Keith R.
Published 1997
44
by Zawawi Ibrahim
Published 1998
45
by Zanasi, Margherita
Published 2006
46
Published 1991
47
by Griffiths, Ieuan Ll.
Published 1993
48
Published 1997
49
by Fumio, Fukunaga
Published 2021
50
by Yoshikawa, Hiroshi,, 1951-
Published 2021
51
by Jayawardena, Kumari
Published 2000
52
by Semo, Enrique
Published 1993
53
Published 2004