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APA Citation
Boadu*, P., Aidoo, R., Ohene-Yankyera, K., Kleih, U., Orchard, T. A. J., & Maroya, N. (2019). a LATENT CLASS MODELLING APPROACH TO EVALUATING FARMERS' PREFERENCES FOR PONA SEED YAM CERTIFICATION SYSTEMS AND THEIR WILLINGNESS TO PAY IN GHANA. International journal of agricultural extension and rural development studies, 6(1), 1–. http://access.bl.uk/ark:/81055/vdc_100141548373.0x000001