Emeh J.U. Philosophical issues in environmental education (Module 8) / J.U. Emeh, N.U. Ntia, Ewa N. Usang, O.I. Enukoha - Ibadan Macmillan Nigeria Publishers Limited 1995 - vi, 252P. Pbk ISBN: 9789780181544 LC Class. No.: GE70.E5 1995