mona4dMONA4D: Bandar Judi Slot Gacor & Togel Resmi. DAFTAR MONA4D. Share link. close button. ?utm_medium=social&utm_source=. share icon.An additive monad is a monad endowed with an additional closed, associative, binary operator mplus and an identity element under mplus, called mzero. The Maybe monad can be