නවීන විද්‍යාවේ ඉදිරි ගමන විද්‍යුත් ධාරා : අට වන පොත

By: Contributor(s): Publication details: Gunasena, 1960. Colombo :Description: 82p.; ill.; 22cmTitle translated: nawina widyawe idirigamana widyuth dhara : atavana pothaSubject(s): DDC classification:
  • 507 HIY
Item type: Lending Materials
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