- Joseph, K. J., and Kiran Kumar Kakarlapudi., (2018), ‘Constraints to diffusion/adoption of innovations in natural rubber: Study of tapping practices and rain-guarding’
- Joseph, K. J., and Kiran Kumar Kakarlapudi., (2018), ‘The harvest is plentiful but the harvesters are a few? An exploration of the below potential of natural rubber’.
- Joseph, K.J., Viswanathan, P.K., and Sajitha Ananthakrishnan ., (2018), ‘The Diffusion/adoption of innovations in coffee: A study of Chandragiri variety’
- Joseph, K. J., and S Mohanakumar., (2018), Post-harvest issues in spices: Study of coriander and cumin
- K J Joseph Joseph, K. J. and George, P. S. (2010). ‘Structural Infirmities in Indian Plantation Sector: Natural Rubber and Spices’, Report submitted to theMinistry of Commerce, NRPPD, Centre for Development Studies, Trivandrum.
- K J Joseph (2016) Report of the National Consultation on Crisis in Plantation Sector: In search of long term strategies, Report Submitted to the Ministry of Commerce, NRPPD, Centre for Development Studies, Trivandrum.
- K J Joseph (2014) Report on the Stakeholder Consultation on National Rubber Policy, Submitted to the Rubber Board and the Ministry.NRPPD, Centre for Development Studies, Trivandrum.
- NRPPD and ISEC (2014) Report on the Policy Dialogue on Future of Coffee hosed Economy of Kodagu, jointly organized by NRPPD (CDS Trivandrum) and ISEC Bangalore, June, submitted to the Coffee Board Bangalore.
- ‘Trade and Development: Case of Black pepper and Cardamom’ (2012). Report prepared by the Participants of the Refresher Course-cum- Research Training Programme on Trade and Development. NRPPD, Centre for Development Studies, Trivandrum.