TY - JOUR AU - Eftekhar, Melika TI - Preparation, characterization of graphene oxide nano catalyst functionalized copper-metformin complex and investigation of its catalytic activity in synthesis of tetrahydropyridine derivatives in mild condition JO - Journal of applied research in chemisry VL - 15 IS - 2 SP - 62 EP - 73 PY - 2021 DO - 10.30495/jacr.2021.684267 ER -