Nirmala Perera. (2015). SCIENCE: GRADE 6 Work book Part 2. Jeya Book Centre.
Chicago Style (17th ed.) CitationNirmala Perera. SCIENCE: GRADE 6 Work Book Part 2. Colombo: Jeya Book Centre, 2015.
MLA (9th ed.) CitationNirmala Perera. SCIENCE: GRADE 6 Work Book Part 2. Jeya Book Centre, 2015.
Warning: These citations may not always be 100% accurate.