KULASINGHE, A.N.S., 1994. BIOGAS TECHNOLOGY. Journal of the National Science Foundation of Sri Lanka, 22, pp.S59–S61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE ANS. BIOGAS TECHNOLOGY. Journal of the National Science Foundation of Sri Lanka. 1994;22:S59–61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE, A. N. S. (1994). BIOGAS TECHNOLOGY. Journal of the National Science Foundation of Sri Lanka, 22, S59–S61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE ANS, ‘BIOGAS TECHNOLOGY’ (1994) 22 Journal of the National Science Foundation of Sri Lanka S59 DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE, A N S. 1994. “BIOGAS TECHNOLOGY”. Journal of the National Science Foundation of Sri Lanka 22: S59–S61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE, A N S. “BIOGAS TECHNOLOGY”. Journal of the National Science Foundation of Sri Lanka 22 (1994): S59–S61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148

KULASINGHE, A. N. S.. “BIOGAS TECHNOLOGY”. Journal of the National Science Foundation of Sri Lanka, vol. 22, 1994, pp. S59–61. DOI: http://doi.org/10.4038/jnsfsr.v22i0.8148