National development and ecological integrity the geographic viewpoints - Luna, Telesforo W.; Magno, Melecio S; Velasquez, Carmen Camacho (Quezon City University of the Philippines Press, 1974)
Ecological aspects of fish parasitology in the Philippines / by Carmen C. Velasquez.--Some ideas of modern physics and their influence on speculative thought / by Melecio S. Magno.
Keywords: Human ecology; Parasites -- Fishes; Science -- Philosophy