Joanes Muda
Geochemical grid soil survey middle Bole area Lahad Datu Sabah : RAK (E1 / E6) - JMG. Sabah - Ipoh Perak Jabatan Kajibumi Malaysia 1990 - ill:14p. 29.8 cm
Geochemical grid soil survey middle Bole area Lahad Datu Sabah : RAK (E1 / E6) - JMG. Sabah - Ipoh Perak Jabatan Kajibumi Malaysia 1990 - ill:14p. 29.8 cm