G. Marimuthu, K. Usharani and S. Sankaranarayanan 2020. Assessing the organic and inorganic fertilizers in a crop under agriculture sector using normal fuzzy TOPSIS method. Malaya Journal of Matematik. 8, 02 (Apr. 2020), 646–649. DOI:https://doi.org/10.26637/MJM0802/0055.