Judul Asli : Basic Montessori, Learning Activities for Under-Fives. Bibliografi : hlm. 376-377
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Bibliografi : hlm. 385-388No Inv.: 135731/SM/Perp/14/1c
No Inv.: 110032/PSM/Perp/07/1c~116118-116119/P/Perp/09/2c~124002-124006/P/perp/10/5c
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Bibliografi : hlm. 291-292
Bibliografi : hlm. 295-306
No Inv.: 128191/SM/Perp/10/1c