TY - BOOK AU - APARNA AU - SAJEENA.S (Guide) AU - NAMITHA.M.R TI - GEOPHYSICAL TECHNIQUES FOR AQUIFEER CHARACTERESTICS STUDIES-A CASE STUDY OF TAVANUR GRAMA PANCHAYAT,MALAPPURAM,KERALA U1 - 631.587 PY - 2023/// CY - TAVANUR PB - DEPARTMENT OF IRRIGATION AND DRAINAGE ENGINEERING ER -