Chhetri, S.B., Shrestha, M. and Shrestha, S. 2019. Polymerase Chain Reaction (PCR) - Based Diagnosis of Huanglongbing (Citrus Greening) Disease in Salyan District of Nepal. Journal of Agriculture and Environment. 20, (Jul. 2019), 57–66. DOI:https://doi.org/10.3126/aej.v20i0.25010.