Datta, R.L.
Investigation into the application of Rayna (Amoora Rohituka) oil in soap-making by R.L. Datta and Tinkari Basu - Calcutta Bengal Secretariat Book Depot 1930 - 12p.
Bengal. Industries Department
T2x5412
Investigation into the application of Rayna (Amoora Rohituka) oil in soap-making by R.L. Datta and Tinkari Basu - Calcutta Bengal Secretariat Book Depot 1930 - 12p.
Bengal. Industries Department
T2x5412
