WIDANAPATHIRANA, S., 1994. BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS. Journal of the National Science Foundation of Sri Lanka, 22, pp.S37–S45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA S. BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS. Journal of the National Science Foundation of Sri Lanka. 1994;22:S37–45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA, S. (1994). BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS. Journal of the National Science Foundation of Sri Lanka, 22, S37–S45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA S, ‘BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS’ (1994) 22 Journal of the National Science Foundation of Sri Lanka S37 DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA, S. 1994. “BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS”. Journal of the National Science Foundation of Sri Lanka 22: S37–S45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA, S. “BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS”. Journal of the National Science Foundation of Sri Lanka 22 (1994): S37–S45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145

WIDANAPATHIRANA, S.. “BIOTECHNOLOGY OF WASTE WATER TREATMENT WITH SPECIAL REFERENCE TO REMOVAL OF TOXIC METALS FROM INDUSTRIAL WASTE WATERS”. Journal of the National Science Foundation of Sri Lanka, vol. 22, 1994, pp. S37–45. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8145