3 treff

Abeyrama Tilakasena
Monitoring in retrospect : reflections on practical experience and recommendations
by Tilakasena Abeyrama and Karl E. Weber
Bok Engelsk 1988
Observation - an effective alternative to oral communication : nine topical survey schedules
by Karl E. Weber, Tilakasena Abeyrama
Bok Engelsk 1988
Research in planning for human settlements : guidelines and practical example
Karl E. Weber, Tilakasena Abeyrama
Bok Engelsk 1984