Principles of soil science: an audio visual tutorial workbook.
Briones, Angelina M.
Principles of soil science: an audio visual tutorial workbook. - UPLB, c1983. - 133 p. : ill. ; 27 cm.
Principles of soil science: an audio visual tutorial workbook. - UPLB, c1983. - 133 p. : ill. ; 27 cm.