| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| Non-Conventional Technology for Okra Production: Technology Based on Soil Conditioning by Humic acid and Nitrification Inhibition by Soil Applied Calcium Carbide | 978-3-8465-8981-6 (3-8465-8981-O) | 2012 | Muhammad Yaseen · Wazir Ahmed |