I. B. Adinya, S. M. Afu, and J.U. Ijoma. "ECONOMIC MELT DOWN AND DECLINE IN PINEAPPLE PRODUCTION: DETERMINANT OF PRODUCTION INEFFICIENCY OF PINEAPPLE-BASED ALLEY CROPPING PRACTICES IN CROSS RIVER STATE, NIGERIA." Journal of Animal and Plant Sciences, vol. 20, no. 2, 2010, pp. 107-116.