A. P.  Kumar, Depan, D., and Singh, R. P., ?Durability of natural fiber-reinforced composites of ethylene-propylene copolymer under accelerated weathering and composting conditions?, Journal of Thermoplastic Composite Materials, vol. 18, no. 6, pp. 489-508, 2005.

J. K.  Pandey, Kumar, A. P., Misra, M., Mohanty, A. K., Drzal, L. T., and Singh, R. P., ?Recent advances in biodegradable nanocomposites?, Journal of Nanoscience and Nanotechnology, vol. 5, no. 4, pp. 497-526, 2005.

A. P.  Kumar, Reddy, K. R., Rana, S., Lonkar, S. P., Raut, K. G., and Singh, R. P., ?Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering?, Journal of Vinyl & Additive Technology, vol. 11, no. 1, pp. 13-20, 2005.

S. A. S.  Alariqi, Kumar, A. P., Rao, B. S. M., and Singh, R. P., ?Biodegradation of gamma-sterilised biomedical polyolefins under composting and fungal culture environments?, Polymer Degradation and Stability, vol. 91, no. 5, pp. 1105-1116, 2006.