සාධන පරීක්ෂණ
Perera,Lal
සාධන පරීක්ෂණ = Sadhana parikshana - 2nd Ed.; - Maharagama National Institute of Education, 1990 - 294p.; 24cm
Measurement
530.8 / PER
සාධන පරීක්ෂණ = Sadhana parikshana - 2nd Ed.; - Maharagama National Institute of Education, 1990 - 294p.; 24cm
Measurement
530.8 / PER