Problems encountered in the implementation of population education in the barangay high schools of La Union, 1986-1987

ग्रंथसूची विवरण
मुख्य लेखक: Malaay, Cipriano M.
स्वरूप: थीसिस
भाषा:English
प्रकाशित: 1988.
विषय: