1. Agrawal, S., E.V. Divakara Sastry, and R.K. Sharma. 2002. Seed spices: Production, quality, export. Jaipur: Pointer Publishers.
2. Balakrishnan, M., R. Viswanathan, and L. Gothandapani. 1998. Drying characteristics of cardamom in thin layer and fluidised bed drying. Spice India XI(5): 22–24.
3. Balakrishnan, M., R. Visvanathan, B. Soundararajan, and V. V. Sreenarayanan. 2010. A hand-operated rotary type cleaner-cum-grader for black pepper and cardamom. Agricultural Mechanization in Asia, Africa and Latin America 41 (3): 36–40.
4. Balakrishnan, M., M.R. Manikantan, R. Viswanathan, and V.V. Sreenarayananan. 2011. Moisture dependent physical properties of cardamom. International Agrophysics 25: 399–402.
5. Balakrishnan, M., G.S.V. Ragahavan, V.V. Sreenarayanan, et al. 2011. Batch drying kinetics of cardamom in a two-dimensional spouted bed. Drying Technology 29: 1283–1290.