Azolla agronomy - Khan, M. Manzoor (Los Baños, Laguna : The Technical Assistance provided by the Asian Development Bank to the Philippine government for the Azolla Research and Development Project which was implemented by the Institute of Biological Sciences of the University of the Philippines at Los Banos (IBS-UPLB) and the SEAMEO Regional Center for Graduate Study and Research in Agriculture(SEARCA), 1988)
Includes bibiliographical references.