Karl E. Weber

Observation : an effective alternative to oral communication : nine topical survey schedules

Research in planning for human settlements : guidelines and practical example

Subpradoo irrigation scheme, Nakhon Ratchasima Province : exploratory research

Huay Kaeng irrigation scheme, Kalasin Province : exploratory research

Lam Chamuak irrigation scheme, Nakhon Ratchasima Province : exploratory research

Huay Kaew irrigation scheme, Surin province : exploratory research

Huay Talat irrigation scheme, Buriram province

Huay khilek irrigation scheme, Mukdahan province : exploratory research

Huay Chorakhe Mak irrigation scheme, Buriram province : exploratory research

Huay Aeng irrigation scheme, Roi et Province : exploratory research