TY - JOUR TI - Some Properties of (ℎ, 𝑚)-Preinvex Functions and Hermite Hadamard Inequality AU - ÜNLÜYOL, E. AU - KARADENİZ, M. JO - Sigma Journal of Engineering and Natural Sciences PY - 2019 VL - 10 SP - 257 EP - 264 DO - ER -