Jaafar bin Ahmad.

• Peranan majlis-majlis/jabatan-jabatan agama Islam dalam pembangunan ekonomi umat Islam di Malaysia
• The geology and mineral resources of the Karak and Temerloh areas, Pahang
• The geology and mineral resources of the Sungai Teris area, Pahang
• The geology and mineral resources of the Sungai Teris area, Pahang
• The petrology of the Benom Igneous complex