Soil survey of Ilocos Sur Province, Philippines

ग्रंथसूची विवरण
निगमित लेखक:	Philippines (Republic) Department of Agriculture and Natural Resources
अन्य लेखक:	Mariano, Juan A., Romero, Isidoro A., Tingzon, Jorge A.
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Manila Bureau of Printing 1954.
श्रृंखला:	Soil report no.19
विषय:	Soil-surveys > Philippines > Ilocos Sur.