DR.P.MANGALA GOWRI. EFFECTIVENESS OF SELF INSTRUCTIONAL MODULE ON KNOWLEDGE AND PRACTICE REGARDING BIOMEDICAL WASTE MANAGEMENT AMONG LAB TECHNICIANS OF SELECTED LABORATORIES IN CHENNAI CITY. ijpbs [Internet]. 2014 Dec. 31 [cited 2026 Jul. 24];5(4):128-31. Available from: https://ijpbs.net/index.php/journal/article/view/3729