Philippine law on natural resources /
Pena, Narciso.
Philippine law on natural resources / Narciso Pena. - Manila : Rex Book Store, c1978.
Natural resources--Philippines
HC 453.5 / .P37 1978
Philippine law on natural resources / Narciso Pena. - Manila : Rex Book Store, c1978.
Natural resources--Philippines
HC 453.5 / .P37 1978