00000cab a22000004a 4500 IPP-00000583571 IPP 20210628000339.0 210628s2001 xx d | ||r ||||| || Bernas, Joaquin One body, two heads 2001 Constitutions Legitimacy of governments Presidents Kilosbayan Vol. 8, no. 8 (Mar. 2001), 43 UPD DMLP Article FI