අධ්‍යාපනික මනෝවිද්‍යාව

By: Publication details: M.D.Gunasena, 1954. Colombo:Description: ii,176p.; 17cmTitle translated: aDHyaapanika mano widyawaSubject(s): DDC classification:
  • 370.15 SOM
Item type: Lending Materials
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