Oyindobra Ossai, Patrick Godwin, 		Ohia, Princewill, AND 		Izuwa, Nkemakolam.
" An Overview of the Production Potentials of Gas in Tight Sands and Shale Gas Formations Worldwide: A Key Factor for Consideration in Nigeria" <em>Journal of Advanced Research in Petroleum Technology &amp; Management</em> [Online], Volume 4 Number 3&amp;4 (11 August 2021)