UNESCO. (1998). Wasted Opportunities: When Schools Fail. Repetition and Drop-out in Primary Schools: -- Education for All. Status and Trends 1998 --. Graphoprint.
Чикаго маягийн жагсаалтUNESCO. Wasted Opportunities: When Schools Fail. Repetition and Drop-out in Primary Schools: -- Education for All. Status and Trends 1998 --. France: Graphoprint, 1998.
MLA ишлэлUNESCO. Wasted Opportunities: When Schools Fail. Repetition and Drop-out in Primary Schools: -- Education for All. Status and Trends 1998 --. Graphoprint, 1998.
Warning: These citations may not always be 100% accurate.