Lectured At :

1. The Department of Geography , University College of Swansea in 1974 , 1979 and 1981 .
2. Institute of Physical Geography , Hamburg University in 1979 ;
3. Department of Physical Geography , University of Lund in 1979 and 1982 ;
4. Suffolk University , Boston , USA , In 1984 .
5. Holy Cross , Worcester , Mass , USA , November 1984 .
6. Toronto University , Canada , February 1985 .
7. University of Wisconsin At Plateville , USA , March 1985 .
8. Dubuque University , Iowa , USA , March 1985 .
9. Thiel College , Greenville , Pennsylvania , 1985 .
10. Clark University , as a visiting Professor , 1984-85 .
11. University of Bayrouth , ( Germany ) , 1988 .