Lavanya, S., and V. Krishna Murthy. “Suitability of Electronic Nose As a Reflective Tool to the Measurement of Soil Fertility Factors”. Kathmandu University Journal of Science, Engineering and Technology 13, no. 2 (October 8, 2018): 39–47. Accessed March 2, 2024. https://nepjol.info/index.php/KUSET/article/view/21282.