YYū yāng phraiYū yāng phraide Suppharat Lœ̄tphānitchakunThe caste system in Thailand during the olden days.MateriasHistorySocial conditionsFeudalismSocial classesEdiciones (1)Yū yāng phrai (2000)Nānmī Buk · thaMás obras de Suppharat Lœ̄tphānitchakunPPhra mā malāi sōk lā lư̄a sukPhra mā malāi sōk lā lư̄a sukSSomdet Phrasīnakkharintharā Bō̜rommarātchachonnanīSomdet Phrasīnakkharintharā Bō̜rommarātchachonnanīHHāyū hākinHāyū hākin
SSomdet Phrasīnakkharintharā Bō̜rommarātchachonnanīSomdet Phrasīnakkharintharā Bō̜rommarātchachonnanī