Vol. 9 No. 24 (2020)

Bài viết

• In vitro propagation of Magic fig (Ficus carica L.) at Phu Yen University  

  Nguyễn Thị Phi Loan

  1

• Anti-cancer activity of Methanolic extraction from lemon leaves (Citrus limon L.)

  Nguyễn Thị Thảo Linh

  11

• Strengthening the development of interactive relationships in teaching to improve thinking competence for university students

  Phan Thị Lan

  20

• Teachers’ professional development – the world’s conception and some recommendations for Viet Nam

  Lê Bạt Sơn

  29

• Study on mechanism of fragmentation HR-MS spectra of triazolothiadiazine

  Lê Thanh Sơn

  39

• Exploring some fuzzy integration methods and applying them to self-assessment work

  Đoàn Thị Thanh Nga

  45

• Time assessment for tourism exploitation at some natural tourist destinations in Phu Yen province

  Nguyễn Thị Ngạn

  55

• Edmund Roberts with his mission of opening Vietnam-US intercourse in 19th century

  Đào Nhật Kim

  64

• Collapse of the Soviet Union-direct causes and lessons to be learned

  Nguyễn Thị Hồng Nhung

  70

• Rebirth motif and retribution motif in some Vietnamese contemporary novels

  Nguyễn Thị Ái Thoa

  79

• Method of expanding vocal range for music-pedagogy students

  Trần Đình Lộc

  87

• Phenomena of liaisons in English songs

  Nguyễn Như Ý

  93

• VAI TRÒ CỦA THÔNG TIN KẾ TOÁN QUẢN TRỊ TRONG VIỆC RA QUYẾT ĐỊNH NGẮN HẠN CỦA NHÀ QUẢN TRỊ

  Nguyễn Thị Nguyệt Thu

  99