00000cab a22000004a 4500 IPP-00000219311 IPP 20200702040655.0 200702s2017 xx d | ||r |||||eng|| eng Tacio, Henrylito D. Addressing soil erosion with SALT 2017 photographs Agriculture Sloping Agricultural Land Technology Philippine Graphic Vol. 27, no. 34 (16 Jan. 2017), 14-16 UPD DMLP Article FI