TY - BOOK AU - Ray, A.K. et al,ed. TI - Bridging the research station and farmer's field technology assessment and refinement (plantation crops and spices) U1 - PH 374.14:63 P7 PY - 2007/// CY - Guwahati PB - CPCRI research centre KW - Plantation crops; Spices; Agricultural extension ER -