30
/de/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
215748
Oman
OMN
true
2
1
Pupil-teacher ratio in pre-primary education (headcount basis)
2015,2014,2010,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1982,1977,1976,1975