HARISADHAN MALAKAR, DEBJANI GHOSH, SOUROV CHATTERJEE, and ABHIJIT DEBNATH, “INORGANIC AND ORGANIC SOIL PHOSPHORUS FRACTIONS IN HUMID TROPICAL TEA PLANTATION OF WEST BENGAL, INDIA”, The Bioscan, vol. 10, no. Supplement 1, pp. 313–318, Feb. 2015.