1. Black Pepper: Piper nigrum Medicinal and Aromatic Plants – Industrial Profiles 2003 Harwood Acedemic Publisher Amsterdam Risfaheri and Nurdjannah N PN Ravindran Pepper processing – the Indonesian scenario 365 377
2. Durable hybrid‐powered white pepper retting machine integrated with crude enzymatic solution;Ibrahim MD;J Appl Sci Agric,2014
3. Black Pepper: Botany and Horticulture
4. Black pepper
5. M Attokaran Black Pepper: Natural Food Flavors and Colorants 2017 John Wiley & Sons Chichester 87 93