00000cab a22000004cb4500 IPP-00000661252 IPP 20250228153937.0 250228s2015 xx d | ||r ||||| || De Vera, Jeseth Marie Loren P. The 'utang na loob" concept Strengthening filial piety in the Philippines through the enactment of elderly laws 2015 Elder care Laws and legislation UST Law Review Vol. 59, no. 1 (May. 2015), 93-121 UPD DLAW Article FI