61
Published 1993
62
Published 2010
63
Published 1990
64
Published 2009
65
Published 1990
66
Published 2003
67
Published 1991
68
Published 1991
69
by Khong, Kim Hoong
Published 1991
70
by Vasil, Raj Kumar
Published 2000
71
Published 2006
72
Published 2009
73
Published 1987
74
Published 1978
75
by Toh, Mun Heng
Published 1991
76
Published 1988
77
Published 1978
78
by Prodi, Romano, 1939 -
Published 2002
79
Published 2000
80
Published 2003