Singh, P. (2023). Report on the preparation of mangrove tannin extract: With special reference to the Government factory at Rangoon, embodying suggestions for its improvement. Superintendent Government Printing.

Singh, Puran. Report on the Preparation of Mangrove Tannin Extract: With Special Reference to the Government Factory at Rangoon, Embodying Suggestions for Its Improvement. Superintendent Government Printing, 2023.

Singh, Puran. Report on the Preparation of Mangrove Tannin Extract: With Special Reference to the Government Factory at Rangoon, Embodying Suggestions for Its Improvement. Superintendent Government Printing, 2023.