1.
2.
3.
4.
Colombo : Mahapola Higher Education Scholarship Trust Fund, 1999.
English | N 40 ABE.S |
5.
6.
7.
Alphen aan den Rijn : Wolters Kluwer, c2008.
English | Voir la ressource électronique | Disponible en ligne | N 637 NIM.C |
8.
9.
Berkeley, CA : Osborne/McGraw-Hill, c1998.
English | D 80 POW.H |
10.
[Place of publication not identified] : [publisher not identified], 1995.
French | N 631 MAS.P |