| Table of contents: |
| 1. Editorial Paul Thorn View PDF 2. Linking Medicinal Plant Production with Livelihood Enhancement in Bangladesh: Implications of a Vertically Integrated Value Chain A. K. M. Shahidullah and C. Emdad Haque View PDF 3. Mixed Integer Programming For Pollution Control Of Indian Tropical Rivers: A Case Study Richa Babbar and Himanshu Joshi View PDF |