00502nam a2200109 4500 20250912113645.0 Colon Classification T2:3( E ),950bS:44 GAYATHRI (S) 835 Effectiveness of fishbone diagram based learning of Chemistry in critical thinking, problem solving ability and achievement among secondary school students Thiruvannathapuram Thesis in Education, Govt College of Teacher Education,Thycaud, University of Kerala 2024 CC THES 751310 751310 0 0 ddc 0 0 EDU EDU Thesis 2025-08-21 0 EDUP373 2025-08-21 14:43:53 2025-08-21 TH 0 0 CC 0 0 RT LIB LIB Thesis 2025-09-12 0 T2:3( E ),950bS:44 R4 (RT) G46079 2025-09-12 11:37:43 2025-09-12 THES