1. "International Producers' Agreement on Tea (March 15
1984)"

المؤلف:

Paul Caspersz S. J.

اللغة:

English

2. "The plantations (in the context of People's Plan 21)"

اللغة:

English

3. Companies pay no tax: revised estate worker wages easily payable (April 2001)

المؤلف:

Paul Caspersz

اللغة:

English

4. No tea, but tourist hotels (November 6, 1995)

المؤلف:

Paul Caspersz

اللغة:

English

5. Sri Lanka and the changing world tea economy

المؤلف:

Paul Caspersz

اللغة:

English

6. The internal structure and organization of the tea industry: an overview

المؤلف:

Paul Caspersz

اللغة:

English

7. The world tea economy: model and general analysis

المؤلف:

Paul Caspersz

اللغة:

English