TY - BOOK AU - Uzma Seemab AU - Supervised by Arshad Mahmood Qamar, Dr. ED - Department of Science Education TI - Effect of pre-Lab on students practical performance in chemistry at secondary school level U1 - 540.78 PY - 2025/// CY - 1 PB - Allama Iqbal Open University KW - Chemistry--Study and teaching--Laboratory methods KW - Pre-laboratory activities--Effectiveness--Secondary education KW - Dissertations, Academic--MPhil Science Education N1 - HB; MPhil/MS UR - https://aioupakistan-my.sharepoint.com/:b:/g/personal/aiou_thesis_aiou_edu_pk/Ebgme9Nl4qZMpqkD5DUdZG8B5iqx50GgigYm_cBqyW7n4Q?e=O7PbX6 ER -