An analytical study of the laundry soap and detergent industry in the Philipines

by Sy, Singson G.
Published 1971

A comparison of the acid mine drainage (AMD) neutralization potential of low grade nickel laterite and other alkaline-generating materials

by Turingan, Casey Oliver A., Singson, G., Melchor, B., Alorro, Richard D., Beltran, Arnel B., Orbecido, Aileen H.
Published 2020