This paper presents new concepts of continuous multifunctions, called upper quasi^ (₁, ₂) -continuous multifunctions and lower quasi ^ (₁, ₂) -continuous multifunctions. Moreover, several characterizationsand some properties concerning upper quasi ^ (₁, ₂) -continuousmultifunctions and lower quasi ^ (₁, ₂) -continuous multifunctions are considered.
Srisarakham et al. (Fri,) studied this question.