Saroj, K.K. and Gupta, Asha and Kumar, Birendra and Srivastava, S.C. (1995) Application of Biogasification of Coal for Extraction of Left Over coal from worked Out Mines. Minetech, 16 (5). pp. 12-17. ISSN 0970-7204

Thakur, D.N. and Saroj, K.K. and Gupta, Asha (1995) Biological Pretreatment of Arsenopyrite Tailings and its effect on cyanide Leaching of Gole. Mineral Processing and Extractive Metallurgy , 15 (1-4). pp. 87-93. ISSN 0882-7508

Thakur, D.N. and Saroj, K.K. and Gupta, Asha and Arya, P.K. and Mondal, P.K. and Kumar, Birendra (1994) Anaerobic Fermentation of Methane. Minetech, 15 (2). pp. 61-66. ISSN 0970-7204

Thakur, D.N. and Saroj, K.K. and Gupta, Asha (1992) A convenient Method for finding the course of percolating solution in Underground operations. Indian Mining & Engineering Journal , 31 (12). pp. 31-33. ISSN 0019-5944

Thakur, D.N. and Saroj, K.K. and Gupta, Asha and Prasad, Bably (1987) Isolation, purification and enrichment of bacteria that grow on methane as sole source of carbon and energy. Journal of Mines, Metals & Fuels, 35 (2-3). pp. 47-51. ISSN 0022-2755

Thakur, D.N. and Saroj, K.K. and Gupta, Asha (1983) Microbial leaching of low grade chalcopyrite: difficulties arising due to jarosite and elemental sulpur deposition on ore surfaces: and a few suggestions to win over them. Journal of Mines, Metals & Fuels, 31 (10). pp. 477-483. ISSN 0022-2755

Thakur, D.N. and Saroj, K.K. and Gupta, Asha (1980) Leaching of chalcopyrite with thiobacillus ferrooxidans adapted to copper ions. Journal of Mines, Metals & Fuels, 28 (1&2). pp. 16-21. ISSN 0022-2755

Thakur, D.N. and Saroj, K.K. and Gupta, Asha (1978) Leaching bacteria - microbiological studies. Journal of Mines, Metals & Fuels, 26 (12). pp. 405-412. ISSN 0022-2755