Jansz, E.R., Pieris, N., Jeyaraj, E.E. and De Silva, N., 1977. Cultivation, isolation, purification and some properties of the enzyme glucoamylase from Aspergillus niger. Journal of the National Science Foundation of Sri Lanka, 5(1), pp.59–74.

Jansz ER, Pieris N, Jeyaraj EE, De Silva N. Cultivation, isolation, purification and some properties of the enzyme glucoamylase from Aspergillus niger. Journal of the National Science Foundation of Sri Lanka. 1977;5(1):59–74.

Jansz, E. R., Pieris, N., Jeyaraj, E. E., & De Silva, N. (1977). Cultivation, isolation, purification and some properties of the enzyme glucoamylase from Aspergillus niger. Journal of the National Science Foundation of Sri Lanka, 5(1), 59–74.

1. Jansz ER, Pieris N, Jeyaraj EE, De Silva N. Cultivation, isolation, purification and some properties of the enzyme glucoamylase from Aspergillus niger. Journal of the National Science Foundation of Sri Lanka. 1977;5(1):59-74.

Jansz ER and others, ‘Cultivation, Isolation, Purification and Some Properties of the Enzyme Glucoamylase from Aspergillus Niger’ (1977) 5 Journal of the National Science Foundation of Sri Lanka 59

Jansz, E. R., Nirmala Pieris, E. E. Jeyaraj, and Nimali De Silva. 1977. “Cultivation, Isolation, Purification and Some Properties of the Enzyme Glucoamylase from Aspergillus Niger”. Journal of the National Science Foundation of Sri Lanka 5 (1): 59–74.

Jansz, E. R., Nirmala Pieris, E. E. Jeyaraj, and Nimali De Silva. “Cultivation, Isolation, Purification and Some Properties of the Enzyme Glucoamylase from Aspergillus Niger”. Journal of the National Science Foundation of Sri Lanka 5, no. 1 (1977): 59–74.

Jansz, E R, et al.. “Cultivation, isolation, purification and some properties of the enzyme glucoamylase from Aspergillus niger”. Journal of the National Science Foundation of Sri Lanka, vol. 5, no. 1, 1977, pp. 59–74.