Dawei Wang and  Rujing Wang and  Ying Li and  Baozi Wei,  Latent Semantic Inference for Agriculture FAQ Retrieval .   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2007, vol. 4(4). 888 - 892
    [viewed 15 April 2021]. Available from: https://publications.waset.org/pdf/15569.