Lu, C. Y. (1979). Environmental quality index for developing countries: A Thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering. Bangkok: Asian Institute of Technology.
Dyfyniad Arddull ChicagoLu, Chau Yen. Environmental Quality Index for Developing Countries: A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Engineering. Bangkok: Asian Institute of Technology, 1979.
Dyfyniad MLALu, Chau Yen. Environmental Quality Index for Developing Countries: A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Engineering. Bangkok: Asian Institute of Technology, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.