The Winged Bean /
Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development ;
The Winged Bean / Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development; - Laguna; Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development; [1978];
The Winged Bean / Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development; - Laguna; Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development; [1978];