The Nature, consequences and prospects of underground employment in the four major cities of Metro Manila - Gatchalian, Jose C.; Almeda, Carol J.; Barranco, Nenita O.; Gatchalian, Milflora M. IV.Title. ([Quezon City] J.C. Gatchalian, 1986)
"This study was undertaken under the auspices of the Friedrich-Ebert-Stiftung through its Philippine Representative, Mr. Helmut Kurth.
Keywords: Informal sector (Economics) -- Philippines -- Manila metropolitan area