ඕපාත, හෙනරත් එච්.ඩී.එන්.පී.
සේවා මණ්ඩල කලමණාකරනය Sewaa mandala kalamanaakaranaya - Dehiwala European Institute of Professional Education 2003 - 492p. : ill. Glossary and references included.
9559588508
PERSONNEL MANAGEMENT
005.95/.96 / O6
සේවා මණ්ඩල කලමණාකරනය Sewaa mandala kalamanaakaranaya - Dehiwala European Institute of Professional Education 2003 - 492p. : ill. Glossary and references included.
9559588508
PERSONNEL MANAGEMENT
005.95/.96 / O6