Ronald O. de Lemios. (2023) From Tagalog to English: Pupils' Writing Proficiency Levels After Three Years in Mother Tongue-Based Multilingual Education. <i>Journal of Community Development Research (Humanities and Social Sciences)</i>, <i>16</i>(3), 115-133.Ronald O. de Lemios. "From Tagalog to English: Pupils' Writing Proficiency Levels After Three Years in Mother Tongue-Based Multilingual Education". Journal of Community Development Research (Humanities and Social Sciences) 16 (2023):115-133.Ronald O. de Lemios. From Tagalog to English: Pupils' Writing Proficiency Levels After Three Years in Mother Tongue-Based Multilingual Education. Naresuan University Graduate School:ม.ป.ท. 2023.