Aboobaker Kunju E. V. N. V., . (1993). Bhoomisastra Quiz. : .
Aboobaker Kunju E Vasudevan Nair V.M, . 1993. Bhoomisastra Quiz. : .
Aboobaker Kunju E Vasudevan Nair V.M, . Bhoomisastra Quiz. : . 1993.