Narong Nalumpoon. 1995. Supervisory functions and decision-making of the public primary school supervisors in region VIII, Thailand. Institute of Graduate Studies, Central Luzon State University;

Narong Nalumpoon. Supervisory functions and decision-making of the public primary school supervisors in region VIII, Thailand. . Munoz, Nueva Ecija:Central Luzon State University, 1995.

Narong Nalumpoon. (1995) Supervisory functions and decision-making of the public primary school supervisors in region VIII, Thailand . Central Luzon State University/Munoz, Nueva Ecija.