00277nam a22000977a 4500 NR:63 GEO George, P.J. Jacob, C.K. Natural rubber: Agromanagement and Crop Processing Kottayam Rubber Research Institute of India 2000 BK 75002 75002 0 0 0 0 MAIN MAIN 2023-04-13 4 1 NR:63 GEO G01361 2026-06-02 2026-03-04 14:13:13 2026-03-04 2023-04-13 BK